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File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / mpd / conf / mpd.script.sample
Revision 1.1.1.5 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Mar 17 00:39:23 2021 UTC (3 years, 2 months ago) by misho
Branches: mpd, MAIN
CVS tags: v5_9p16, v5_9, HEAD
mpd 5.9

#################################################################
#
# $Id: mpd.script.sample,v 1.1.1.5 2021/03/17 00:39:23 misho Exp $
#
# Copyright (c) 1995-1999 Whistle Communications, Inc. All rights reserved.
# See ``COPYRIGHT.whistle''
#
#################################################################

##
## MPD Modem script variables:
##
##  $DialPrefix		Modem dialing prefix (eg. "DT")
##  $Telephone		Telephone number to dial (not duplicated using &)
##  $ConnectTimeout	Wait-for-connect timeout, in seconds (default 45 secs)
##  $SpeakerOff		Set to "yes" to quiet modem speakers
##  $Serial230K		If "yes", we can support 230K serial port speed
##  $CountryCode	Country code for Winmodem
##  $InitString		External initialization string
##  $LoginScript	If "yes", look for script login
##
## ISDN Terminal Adapter specific variables (all start with "TA_"):
##
##  $TA_Bonding		Bonding on TA: "yes" or "no"
##  $TA_NoDoubleTelno	When $TA_Bonding, don't double the dialed number
##  $TA_56K		Restrict to 56K on TA: "yes" or "no"
##  $TA_VoiceCall	Originate calls using voice mode
##  $TA_AuthChap	Tell TA to use CHAP: "yes" or "no"
##  $TA_Dirno1		TA directory #1
##  $TA_Dirno2		TA directory #2
##  $TA_SPID1		SPID #1
##  $TA_SPID2		SPID #2
##  $TA_SwitchType	One of these values
##				"NI-1"
##				"DMS-100"
##				"5ESS P2P"
##				"5ESS MP"
##  $TA_NewSwitch	Means the switch type is new, initiate auto-detect
##			(3Com Impact IQ only)
##
## We set $OptimizeNextTime to "yes" after a successful connection so we
## can avoid verifing configuration when things are working good.
##
## Internal variables:
##
##  $ModemSetupFunc	Routine to set up modem for dialing out
##  $ModemAnsSetupFunc	Routine to set up modem for answer mode (if different)
##  $ModemDetectRing	Routine to detect an incoming call for ringback
##  $ModemIsAnalog	If "yes" modem is analog (ie, not terminal adapter)
##

#################################################################
#
#	MODEM DIALING
#
#################################################################

DialPeer:
	set $CallingID ""
	set $CalledID $Telephone
	if $Telephone == "00000" goto DialNullModem
	set $optimize $OptimizeNextTime
	set $OptimizeNextTime "no"

	if $optimize == "yes" goto DialPeer2
	call ModemFind
	if $ErrorMsg == "" goto DialPeer1
	log $ErrorMsg
	failure
DialPeer1:
	set $ModTelephone $Telephone
	call ModemIdent
	if $ModemDescription != "" goto DialPeer2
	log "The modem is not responding."
	failure

DialPeer2:
	log "Detected $ModemDescription."
	call $ModemSetupFunc
	log "Dialing server at $Telephone..."
	call ModemDial
	if $dialResult == "OK" goto DialPeerOK
	set $optimize "no"
	failure

DialPeerOK:
	if $ConnectionSpeed == "" log "Connected at an unknown speed."
	if $ConnectionSpeed == "" goto DialPeer3
	log "Connected at $ConnectionSpeed."
DialPeer3:
	if $LoginScript == "yes" call AutoLogin
	set $OptimizeNextTime "yes"
	success

# Null-modem connection

DialNullModem:
	log "Connected via null modem connection."
	success

##
## Dial modem
##
## Variables:
##
##  $DialPrefix		Modem dialing prefix (eg. "DT")
##  $ModTelephone	Telephone number to dial
##  $ConnectTimeout	Wait-for-connect timeout, in seconds (default 45 secs)
##  $noDialToneSubr	(optional) Subroutine to call if NO DIALTONE
##  $dialErrorSubr	(optional) Subroutine to call if ERR
##
## Returns:
##
##  $dialResult		"OK" or "FAIL"
##  $ConnectionSpeed	Connection speed reported by modem (possibly empty)
##

ModemDial:
	set $dialResult "FAIL"
	set $ConnectionSpeed ""
	if $ConnectTimeout == "" set $ConnectTimeout 45
	print "AT${DialPrefix}${ModTelephone}\r\n"
	match "NO CARRIER" DialAbortNoCar
	match "NO DIAL" DialAbortNoDial
	match "BUSY" DialAbortBusy
	regex "CONNECT *([0-9]*).*$" DialConnect
	match "ERR" DialError
	wait $ConnectTimeout
	log "No response from the modem after dialing."
	return
DialAbortNoCar:
	log "The remote modem did not answer."
	return
DialAbortNoDial:
	if $noDialToneSubr != "" goto $noDialToneSubr
	log "No dialtone. Is the modem plugged in?"
	return
DialError:
	if ${ModTelephone} != "" goto DialErrorInit
	log "Invalid empty telephone number."
	return
DialErrorInit:
	if $dialErrorSubr != "" goto $dialErrorSubr
	log "Invalid dial init string."
	return
DialAbortBusy:
	log "The line was busy."
	return
DialConnect:
	set $ConnectionSpeed $matchedString1
	set $dialResult "OK"
	return

#################################################################
#
#	MODEM ANSWERING
#
#################################################################

##
## This is an idle script that waits for an incoming call and answers it
##
## Variables:
##
##  $RingTimeout	How long to wait for a RING before giving up
##  $ConnectTimeout	Wait-for-connect timeout, in seconds (default 45 secs)
##

AnswerCall:
	set $CallingID ""
	set $CalledID ""
	set $optimize $OptimizeNextTime
	set $OptimizeNextTime "no"

# Skip modem detection if we connected successfully last time

	if $optimize == "yes" goto AnswerCall2
	call ModemFind
	if $ErrorMsg == "" goto AnswerCall0
	log $ErrorMsg
	failure
AnswerCall0:
	call ModemIdent
	if $ModemDescription != "" goto AnswerCall1
	log "The modem is not responding."
	failure
AnswerCall1:
	log "Detected $ModemDescription."

AnswerCall2:
	if $ModemAnsSetupFunc == "" set $ModemAnsSetupFunc $ModemSetupFunc
	call $ModemAnsSetupFunc
	log "Waiting for ring..."
	call ModemAnswer
	if $answerReturn == "OK" goto AnswerCallOK
	set $IdleResult ""
	set $optimize "no"
	failure

AnswerCallOK:
	log "Connected at $ConnectionSpeed."
	set $OptimizeNextTime "yes"
	set $IdleResult "answer"
	success

#################################################################
#
#	MODEM RINGBACK
#
#################################################################

##
## This is an idle script that implements the ringback feature.
## When we're idle, and we detect an incoming call, then call back
## to bring up the link. For analog modems, we have to wait until
## the ringing stops before dialing back (otherwise we'd answer the
## call, which we don't want to do).
##
## Variables:
##
##  $RingbackTimeout	How long before giving up (reset and try again).
##			Default: 60 minutes
##  $RingStoppedTime	Max time between consecutive "RING"s (if analog)
##			Default: 8 seconds
##

Ringback:
	set $CallingID ""
	set $CalledID ""
	if $RingbackTimeout == "" set $RingbackTimeout "3600"
	if $RingStoppedTime == "" set $RingStoppedTime "8"
	set $ModemDetectRing RingbackWait
	call ModemFind
	if $ErrorMsg == "" goto Ringback1
	log $ErrorMsg
	failure
Ringback1:
	call ModemIdent
	if $ModemDescription != "" goto Ringback2
	log "The modem is not responding."
	failure

Ringback2:
	log "Detected $ModemDescription."
	goto $ModemDetectRing

# Detect an incoming call by waiting for a "RING" indication
# On an analog modem, we have to wait for the ringing to stop

RingbackWait:
	match "RING\r\n" RingbackGotRings
	log "Remote Dial-Back mode enabled; waiting for incoming call."
	wait $RingbackTimeout
	failure

# We saw it ring; wait for the ringing to stop (analog modems only).

RingbackGotRings:
	log "Incoming call detected..."
	if $ModemIsAnalog != "yes" goto RingbackDone
RingbackWaitStop:
	match "RING\r\n" RingbackWaitStop
	wait $RingStoppedTime
RingbackDone:
	set $IdleResult "ringback"
	success

# Strip leading and trailing spaces and log calling party number

RingbackDetectCID:
	if $cid match " *(.*) *" nop
	set $cid $matchedString1
	if $cid == "" goto RingbackDetectNoCID
	log "Incoming call detected from $cid..."
	success

# We couldn't determine calling party number

RingbackDetectNoCID:
	log "Incoming call detected..."
	success

#################################################################
#
#	MODEM IDENTIFICATION
#
#################################################################

##
## Identify
##
## This is meant to be called from the top level, to just identify
## what's on the serial port and print out some info about it.
##

Identify:
	call ModemFind
	if $ErrorMsg == "" goto Identify1
	failure
Identify1:
	call ModemIdent
	if $ModemDescription == "" failure
	log "ANALOG=$ModemIsAnalog"
	log "DESCRIPTION=$ModemDescription"
	success

##
## ModemIdent
##
## This identifies the type of modem and sets these variables accordingly:
##
##	$ModemDescription
##	$ModemSetupFunc
##	$ModemAnsSetupFunc
##	$ModemDetectRing
##	$ModemIsAnalog
##
## If no response seen, this sets $ModemDescription to the empty string.
##

ModemIdent:
	set $ModemDescription ""
	set $ModemSetupFunc ""
	set $ModemAnsSetupFunc ""
	set $ModemDetectRing ""
	set $ModemIsAnalog "yes"
	if $InitString != "" goto ModemIdentCustom
	print "ATI8\r\n"
	match "BitSURFR PRO\r" ModemIdentBitsurfr
	match "BitSURFR PRO EZ" ModemIdentBitsurfrEZ
	match "3C882" ModemIdentImpactIQ
	match "ERR"
	match "OK\r\n"
	wait 3
	print "ATI3\r\n"
	match "Courier" ModemIdentUsr
	match "Sportster" ModemIdentUsr
	match "3ComImpact IQ" ModemIdentImpactIQ
	match "U.S. Robotics 56K" ModemIdentUsr
	match "ZOOM V.90" ModemIdentZoom56
	match "LT V.90" ModemIdentLucent
	match "ERR"
	match "OK\r\n"
	wait 3
	print "ATI4\r\n"
	match "AtermIT NEC Corporation" ModemIdentAterm
	match "INSMATEV-7 NTT Corporation" ModemIdentAterm
	match "MNP Class 10 V.34 Modem" ModemIdentDeskPorte
	match "Smart One 56" ModemIdentSmartOne
	match "ERR"
	match "OK\r\n"
	wait 3
	print "ATI\r\n"
	match "ADTRAN EXPRESS XR" ModemIdentAdtranXRT
	match "ERR" ModemIdentGeneric
	match "OK\r\n" ModemIdentGeneric
	wait 3
	print "ATI1\r\n"
	match "NTK omni.net" ModemIdentNTK
	match "ERR" ModemIdentGeneric
	match "OK\r\n" ModemIdentGeneric
	wait 3
	log "The modem is not responding."
	failure

ModemIdentGeneric:
	set $ModemDescription "Hayes compatible modem"
	set $ModemSetupFunc GenericSetup
	return

ModemIdentCustom:
	set $ModemDescription "Custom modem"
	set $ModemSetupFunc CustomSetup
	return

ModemIdentUsr:
	set $SportsterHack "no"
	if $matchedString == "Sportster" set $SportsterHack "yes"
	set $ModemDescription "USR $matchedString modem"
	call GetOK
	set $ModemSetupFunc UsrSetup
	return

ModemIdentBitsurfrEZ:
	set $bitsEZ "yes"
ModemIdentBitsurfr:
	set $ModemDescription "Motorola $matchedString"
	call GetOK
	set $ModemSetupFunc BitsurfrSetup
	set $ModemIsAnalog "no"
	set $ModemDetectRing BitsurfrDetectRing
	return

ModemIdentImpactIQ:
	set $matchedString "3ComImpact IQ"
	set $ModemDescription "$matchedString"
	call GetOK
	set $ModemSetupFunc ImpactIQSetup
	set $ModemIsAnalog "no"
	set $ModemDetectRing ImpactIQDetectRing
	return

ModemIdentAdtranXRT:
	set $ModemDescription "AdTran Express XR/XRT"
	call GetOK
	set $ModemSetupFunc AdtranXRTSetup
	set $ModemIsAnalog "no"
	return

ModemIdentAterm:
	set $ModemDescription "NEC Aterm TA"
	call GetOK
	set $ModemSetupFunc AtermSetup
	set $ModemIsAnalog "no"
	return

ModemIdentNTK:
	set $ModemDescription "$matchedString"
	call GetOK
	set $ModemSetupFunc NTKSetup
	set $ModemIsAnalog "no"
	return

ModemIdentDeskPorte:
	set $ModemDescription "$matchedString"
	call GetOK
	set $ModemSetupFunc DeskPorteSetup
	return

ModemIdentZoom56:
ModemIdentSmartOne:
	set $ModemDescription "$matchedString"
	call GetOK
	set $ModemSetupFunc Modem56Setup
	return

# Support the Lucent Winmodem, Xircom 56k
ModemIdentLucent:
	set $ModemDescription "$matchedString"
	call GetOK
	set $ModemSetupFunc ModemLucentSetup
	return

#################################################################
#
#	GENERIC MODEM SETUP
#
#################################################################

GenericSetup:
	set $noDialToneSubr GenericNoDialtone
	set $temp "M1"
	if $SpeakerOff == "yes" set $temp "M0"
	set $modemCmd "&F&C1&D2E0S0=0${temp}"
	call ModemCmd2
	return

CustomSetup:
	set $noDialToneSubr GenericNoDialtone
	set $modemCmd "${InitString}"
	call ModemCmd2
	return

GenericNoDialtone:
	log "No dialtone. Is the modem plugged in?"
	return

#################################################################
#
#	USR MODEM SETUP
#
#################################################################

UsrSetup:
# Lower baudrate to 57600 for crappy internal Sportster modem
	if $SportsterHack != "yes" goto UsrSetup2
	if $modemDevice != "/dev/cuau0" goto UsrSetup2
	set $Baudrate 57600
	set $modemCmd ""
	call ModemCmd2
UsrSetup2:
	set $noDialToneSubr GenericNoDialtone
	set $temp "M1"
	if $SpeakerOff == "yes" set $temp "M0"
	set $modemCmd "&F1&C1&D2E0S0=0S13.0=1L0S6=5${temp}"
	call ModemCmd2
	return

#################################################################
#
#	GENERAL 56K MODEM SETUP
#
#################################################################

Modem56Setup:
	set $noDialToneSubr GenericNoDialtone
	set $temp "M1"
	if $SpeakerOff == "yes" set $temp "M0"
	set $modemCmd "&FL2W2E0${temp}"
	call ModemCmd2
	return

#################################################################
#
#	LUCENT WINMODEM AND XIRCOM 56K SETUP
#
#################################################################

ModemLucentSetup:
	set $noDialToneSubr GenericNoDialtone
	set $temp "M1"
	if $SpeakerOff == "yes" set $temp "M0"
	set $tempCountryCode ""
	if $CountryCode != "" set $tempCountryCode "+GCI=${CountryCode}"
	if $CountryCode != "" log "Use country ${CountryCode}"
	set $modemCmd "&FL2W2E0${temp}${tempCountryCode}"
	call ModemCmd2
	return

#################################################################
#
#	BITSURFR PRO AND BITSURFR PRO EZ SETUP
#
#################################################################

BitsurfrSetup:
	set $noDialToneSubr BitsurfrNoDialtone
	set $factory "1"
	if $bitsEZ == "yes" set $factory "0"
	set $modemCmd "Z&F${factory}&C1&D2E0W1X2%A2=95S0=0"
	call ModemCmd2

# Set to 230K baud if we support it

	if $bitsEZ != "yes" goto BitsurfrSetup1
	set $modemCmd "@P2=230400"
	set $newBaudrate "230400"
	call SetBaudrate

# Check software revision and ISDN settings

BitsurfrSetup1:
	if $optimize == "yes" goto BitsurfrSetup2
	if $bitsEZ != "yes" call BitsurfrCheckRev
	call BitsurfrCheckConfig

# Set the PAP/CHAP, multi-link, and 56K/64K settings, and return

BitsurfrSetup2:
	set $authCmd "@M2=P"
	if $TA_AuthChap == "yes" set $authCmd "@M2=C"
	set $bondCmd "@B0=1"
	if $TA_Bonding == "yes" set $bondCmd "@B0=2"
	set $bearCmd "%A4=0"
	if $TA_56K == "yes" set $bearCmd "%A4=1"
	if $TA_VoiceCall == "yes" set $bearCmd "%A4=1"
	set $voiceCmd "%A98=D%A96=0"
	if $TA_VoiceCall == "yes" set $voiceCmd "%A98=S%A96=1"

# BS PRO EZ changes

	if $bitsEZ == "yes" set $authCmd "${authCmd}@M20=\"\""
	set $modemCmd "$authCmd$bondCmd$bearCmd$voiceCmd"
	call ModemCmd2
	if $TA_NoDoubleTelno == "yes" return
	if $TA_Bonding == "yes" set $ModTelephone "${Telephone}&${Telephone}"
	return

##
## What to do when NO DIALTONE
##

BitsurfrNoDialtone:
	log "ISDN initialization failed (or BitSURFR restarting). Please verify proper line connection and ISDN settings."
	return

##
## BitsurfrCheckConfig
##
## Verify and adjust ISDN configuration as necessary
##

BitsurfrCheckConfig:
	log "Checking the BitSURFR's ISDN configuration..."
	set $valueChanged "no"

# Check switch type

	set $checkCmd "!C0"
	set $checkValue "000"
	set $checkValueNew "0"
	if $TA_SwitchType == "DMS-100" set $checkValue "001"
	if $TA_SwitchType == "DMS-100" set $checkValueNew "1"
	if $TA_SwitchType == "NI-1" set $checkValue "002"
	if $TA_SwitchType == "NI-1" set $checkValueNew "2"
	set $checkMsg "Reprogramming switch type ($TA_SwitchType)..."
	call ModemCheckValue

	set $checkCmd "!C1"
	set $checkValue "004"
	set $checkValueNew "4"
	if $TA_SwitchType == "DMS-100" set $checkValue "003"
	if $TA_SwitchType == "DMS-100" set $checkValueNew "3"
	if $TA_SwitchType == "5ESS P2P" set $checkValue "000"
	if $TA_SwitchType == "5ESS P2P" set $checkValueNew "0"
	if $TA_SwitchType == "5ESS MP" set $checkValue "001"
	if $TA_SwitchType == "5ESS MP" set $checkValueNew "1"
	set $checkMsg "Reprogramming switch software version..."
	call ModemCheckValue

# Check directory numbers

	set $checkCmd "*1!N1"
	set $checkValue $TA_Dirno1
	set $checkValueNew $TA_Dirno1
	set $checkMsg "Reprogramming voice line #1 directory number..."
	call ModemCheckValue

	set $checkCmd "*2!N1"
	set $checkValue $TA_Dirno2
	set $checkValueNew $TA_Dirno2
	set $checkMsg "Reprogramming voice line #2 directory number..."
	call ModemCheckValue
	set $checkCmd "!N1"
	set $checkMsg "Reprogramming data line directory number..."
	call ModemCheckValue

# Check SPIDs

	set $checkCmd "*1!C6"
	set $checkValue $TA_SPID1
	set $checkValueNew $TA_SPID1
	set $checkMsg "Reprogramming voice line #1 SPID..."
	call ModemCheckValue

	set $checkCmd "*2!C6"
	set $checkValue $TA_SPID2
	set $checkValueNew $TA_SPID2
	set $checkMsg "Reprogramming voice line #2 SPID..."
	call ModemCheckValue
	set $checkCmd "!C6"
	set $checkMsg "Reprogramming data line SPID..."
	call ModemCheckValue

# Restart if necessary

	if $valueChanged == "no" return
	log "Restarting BitSURFR Pro with new configuration..."
	set $modemCmd ">W"
	call ModemCmd2
	set $modemCmd ">Z"
	call ModemCmd2
	failure

##
## Verify the BitSURFR's software revision. Only do this
## once, the first time we try to dial.
##

BitsurfrCheckRev:
	log "Checking the BitSURFR's software revision..."
	print "ATI3\r\n"
	match "-1A" BitsurfrCheckRevOld
	match "-1B" BitsurfrCheckRevOld
	match "-1C" BitsurfrCheckRevOld
	match "-1D" BitsurfrCheckRevOld
	match "-1E" BitsurfrCheckRevOld
	match "-1F" BitsurfrCheckRevOld
	match "-1G" BitsurfrCheckRevOld
	match "-1H" BitsurfrCheckRevOld
	match "-1I" BitsurfrCheckRevOld
	match "OK\r\n" BitsurfrCheckRevOK
	match "ERR"
	wait 5
	log "The BitSURFR did not properly answer ATI3."
	failure
BitsurfrCheckRevOK:
	return
BitsurfrCheckRevOld:
	log "The BitSURFR Pro has an old software revision $matchedString. Please upgrade according to the manufacturer's instructions."
	call GetOK
	failure

# This is how we detect an incoming call with a BitSURFR

BitsurfrDetectRing:
# First, we need to be properly configured
	call BitsurfrSetup
# Enable Caller-ID logging
	set $modemCmd "@N0=1*1@N0=1*2@N0=1"
	call ModemCmd
	if $modemCmdResult != "OK" goto RingbackWait
# A "RING" at any time is good enough
	match ringset "RING\r\n" RingbackDone
# Clear Caller-ID buffers
	set $modemCmd "@L0*1@L0*2@L0"
	call ModemCmd2
# Read each buffer
	call BitsurfrDetectReadCID
	log "Remote Dial-Back mode enabled; waiting for incoming call."
# Now wait indefinitely for one of those buffers to change
BitsurfrDetectLoop:
	wait 5
	set $oldDataCID $dataCID
	set $oldVoice1CID $voice1CID
	set $oldVoice2CID $voice2CID
	call BitsurfrDetectReadCID
	if $oldDataCID != $dataCID goto BitsurfrDetectDone
	if $oldVoice1CID != $voice1CID goto BitsurfrDetectDone
	if $oldVoice2CID != $voice2CID goto BitsurfrDetectDone
	goto BitsurfrDetectLoop

# Examine the CID from each port
BitsurfrDetectDone:
	set $cid $dataCID
	call BitsurfrDetectTryCID
	set $cid $voice1CID
	call BitsurfrDetectTryCID
	set $cid $voice2CID
	call BitsurfrDetectTryCID
	goto RingbackDetectNoCID

# Try to extract the calling party number
BitsurfrDetectTryCID:
# Strip the log number
	if $cid match "[0-9] (.*)" set $cid $matchedString1
# Check for various strings
	if $cid match "BLOCKED" return
	if $cid match "NO NUMBER" return
	if $cid match "NO CID SERVICE" return
	if $cid match "OUT OF AREA" return
	goto RingbackDetectCID

# Read Caller-ID buffers
BitsurfrDetectReadCID:
	set $modemCmd "@L1"
	call ModemQueryStrip
	set $dataCID $modemQuery
	set $modemCmd "*1@L1"
	call ModemQueryStrip
	set $voice1CID $modemQuery
	set $modemCmd "*2@L1"
	call ModemQueryStrip
	set $voice2CID $modemQuery
	return

#################################################################
#
#	3COM IMPACT IQ SETUP
#
#################################################################

ImpactIQSetup:
	set $noDialToneSubr ImpactIQNoDialtone
	set $modemCmd "Z&F%C2E0"
	call ModemCmd2

# Set to 230K baud if we support it

	set $modemCmd "$$B230400"
	set $newBaudrate "230400"
	call SetBaudrate

# Check ISDN config and link status (XXX should we check revision too?)

ImpactIQSetup1:
	if $optimize == "yes" goto IQInitSetup2
	call ImpactIQCheckConfig
	call ImpactIQCheckLink

# Now set the PAP/CHAP setting and voice/data originate mode setting

IQInitSetup2:
	set $authCmd "S84=1"
	if $TA_AuthChap == "yes" set $authCmd "S84=0"
	set $voiceCmd "S61=0"
	if $TA_VoiceCall == "yes" set $voiceCmd "S61=1"
	set $modemCmd "$authCmd$voiceCmd"
	call ModemCmd2
	if $TA_NoDoubleTelno == "yes" return
	if $TA_Bonding == "yes" set $ModTelephone "${Telephone}&${Telephone}"
	return

##
## What to do when NO DIALTONE
##

ImpactIQNoDialtone:
	log "ISDN config problem (or modem restart). Check your ISDN switch type, directory numbers, and SPID settings."
	return

##
## ImpactIQCheckLink
##
## Check the link status registers
##

ImpactIQCheckLink:
	log "Checking the ISDN modem's link status..."
	print "ATS59?\r\n"
	match "000" IQSyncFail
	match "001" IQSyncOK
	match "ERR"
	match "OK\r\n"
	wait 3
	call GetOK
	log "The ISDN modem did not properly answer ATS59?"
	failure
IQSyncOK:
	call GetOK
	goto ImpactIQCheckInit
IQSyncFail:
	log "The ISDN modem is not receiving any ISDN signal. Please verify that it's connected to an ISDN line."
	call GetOK
	failure

ImpactIQCheckInit:
	set $impactInitReg "57"
	call IQInitCheck
	if $TA_Bonding == "yes" return
	set $impactInitReg "58"
	call IQInitCheck
	return

# A little subroutine

IQInitCheck:
	print "ATS${impactInitReg}?\r\n"
	match "000" IQInitOK
	match "001" IQInitOK
	match "002" IQInitFail
	match "ERR"
	match "OK\r\n"
	wait 3
	call GetOK
	log "The ISDN modem did not properly answer ATS${impactInitReg}?"
	failure
IQInitOK:
	call GetOK
	return
IQInitFail:
	log "ISDN initialization failed. Please check your ISDN switch type, directory numbers, and SPID settings."
	call GetOK
	failure

##
## ImpactIQCheckConfig
##
## Verify and adjust ISDN configuration as necessary
##

ImpactIQCheckConfig:
	log "Checking the ISDN modem's ISDN configuration..."
	set $valueChanged "no"

# Check switch type XXX
#
# NOTE: The Impact IQ changes the value of this field as it auto-detects.
# Not only that, but it cycles through each switch type as it is "trying
# out" that type, so that reading this field is pretty much useless...
# Our strategy is just to hope that auto-detect works!

	if $TA_NewSwitch != "yes" goto ImpactIQCheckDirnos
	log "Initiating switch type auto-detect..."
	set $modemCmd "S50=0"
	call ModemCmd2
	set $TA_NewSwitch ""
	set $valueChanged "yes"
	set $iq_new_switch "yes"

# Check directory numbers

ImpactIQCheckDirnos:
	set $checkCmd "S51"
	set $checkValue $TA_Dirno1
	set $checkValueNew $TA_Dirno1
	set $checkMsg "Reprogramming line #1 directory number..."
	call ModemCheckValue

	set $checkCmd "S53"
	set $checkValue $TA_Dirno2
	set $checkValueNew $TA_Dirno2
	set $checkMsg "Reprogramming line #2 directory number..."
	call ModemCheckValue

# Check SPIDs

	set $checkCmd "S52"
	set $checkValue $TA_SPID1
	set $checkValueNew $TA_SPID1
	set $checkMsg "Reprogramming line #1 SPID..."
	call ModemCheckValue

	set $checkCmd "S54"
	set $checkValue $TA_SPID2
	set $checkValueNew $TA_SPID2
	set $checkMsg "Reprogramming line #2 SPID..."
	call ModemCheckValue

# Check 56K/64K setting

	set $checkValue "064"
	set $checkValueNew "64"
	if $TA_56K == "yes" set $checkValue "056"
	if $TA_56K == "yes" set $checkValueNew "56"
	set $checkCmd "S60"
	set $checkMsg "Reprogramming B channel data rate to ${checkValueNew}K..."
	call ModemCheckValue
	set $checkValueNew ""

# Check Multi-link setting

	set $checkValue "000"
	set $checkValueNew "0"
	if $TA_Bonding == "yes" set $checkValue "001"
	if $TA_Bonding == "yes" set $checkValueNew "1"
	set $checkCmd "S80"
	set $checkMsg "Reprogramming mutli-link PPP setting..."
	call ModemCheckValue

# Restart if necessary, and wait extra long if the switch type changed

	if $valueChanged == "no" return
	log "Restarting ISDN modem with the new configuration..."
	set $modemCmd "Z"
	call ModemCmd2
	failure

##
## Detect an incoming call with the 3Com
##

ImpactIQDetectRing:
	call ImpactIQSetup
	if $modemCmdResult != "OK" goto RingbackWait
	match ringset "RING\r\n" RingbackDone
# Clear Caller-ID buffers
	set $modemCmd "\\N0"
# We don't care if this command fails...
	call ModemCmd
# Read most recent incoming call
	call ImpactIQDetectReadCID
	log "Remote Dial-Back mode enabled; waiting for incoming call."
# Now wait for a change
ImpactIQDetectLoop:
	wait 5
	set $oldIncomingCall $incomingCall
	call ImpactIQDetectReadCID
	if $oldIncomingCall != $incomingCall goto ImpactIQDetectDone
	goto ImpactIQDetectLoop

# Examine the CID from each port
ImpactIQDetectDone:
	if $incomingCall !match "((.{14}).{10}) ((.{14}).{10}) ((.{14}).{10})" goto RingbackDetectNoCID
	set $dataCID $matchedString2
	set $voice1CID $matchedString4
	set $voice2CID $matchedString6
	set $cid $dataCID
	call ImpactIQDetectTryCID
	set $cid $voice1CID
	call ImpactIQDetectTryCID
	set $cid $voice2CID
	call ImpactIQDetectTryCID
	goto RingbackDetectNoCID

# Look for a valid CID string
ImpactIQDetectTryCID:
	if $cid match " *" return
	if $cid match " *N/A" return
	goto RingbackDetectCID

# Read first line of incoming call log (it's the 14th line of output)
ImpactIQDetectReadCID:
	set $modemCmd "\\N"
	call ModemCmdSend
	call ReadLine
# Older version of the 3Com don't support this command
	if $matchedString == "OK" return
	if $matchedString match "ERR(O)?(R)?" return
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	call ReadLine
	set $incomingCall $matchedString
	call GetOK
	return

#################################################################
#
#	NEC ATERM SETUP
#
#################################################################

AtermSetup:
	if $AtermHardReset == "yes" goto AtermSetup2

# Do hardware reset, which takes a while and doesn't give back "OK"

	log "Initializing modem..."
	print "ATZ98\r\n"
	wait 6
	set $AtermHardReset "yes"
	failure

AtermSetup2:

# Set to 230K baud if we support it

	set $modemCmd ""
	set $newBaudrate "230400"
	call SetBaudrate

# Is this an IT55 or IT65?

	set $atermIT65 ""
	set $modemCmd "$$N14=0"
	call ModemCmd
	if $modemCmdResult == "OK" set $atermIT65 "yes"

# Set normal stuff, PPP mode

	set $modemCmd "&C1&D0&K3X4$$N1=1$$N9=0"
	call ModemCmd2

# Set the multi-link setting

	set $bondCmd "$$N11=0"
	if $TA_Bonding == "yes" set $bondCmd "$$N11=1"
	set $modemCmd "$bondCmd"
	call ModemCmd2

# Additional settings for the IT65 go here...

	if $atermIT65 != "yes" return
	return

#################################################################
#
#	MICROCOM DESKPORTE SETUP
#
#################################################################

DeskPorteSetup:
	set $noDialToneSubr GenericNoDialtone
	set $temp "M1"
	if $SpeakerOff == "yes" set $temp "M0"
	set $modemCmd "Z&F&C1&D2X3E0S0=0${temp}"
	call ModemCmd2
	return

#################################################################
#
#	KOREAN TERMINAL ADAPTER SETUP
#
#################################################################

NTKSetup:
	set $noDialToneSubr GenericNoDialtone
	set $modemCmd "ZB40&J3"
	call ModemCmd2
	return

#################################################################
#
#	ADTRAN EXPRESS XRT SETUP
#
#################################################################

AdtranXRTSetup:
	set $noDialToneSubr ImpactIQNoDialtone
	set $dialErrorSubr AdtranXRTDialError
	set $bonding "&F1"
	if $TA_Bonding == "yes" set $bonding "&F2"
	set $chap "S118=0"
	if $TA_AuthChap == "yes" set $chap "S118=32"
	set $origCmd "S53=3"
	if $TA_56K == "yes" set $origCmd "S53=2"
	if $TA_VoiceCall == "yes" set $origCmd "S53=0"
	set $modemCmd "ZE0${bonding}&C1&D2${chap}${origCmd}"
	call ModemCmd2

# Check ISDN config and link status (XXX should we check revision too?)

	if $optimize == "yes" return
	call AdtranXRTCheckConfig
	call AdtranXRTCheckLink
	return

##
## What to do when ERROR when dialing
##
## This is what the Adtran returns if the line is not ready yet.
## So we look into the status buffer to see if we recognize the
## error condition.
##

AdtranXRTDialError:
	call AdtranXRTDiagnose
	failure

##
## Check the last status bufffer entry for what the problem is
## XXX Figure out more stuff to look for and when it can happen
##

AdtranXRTDiagnose:
	log "Checking the Adtran status buffer..."
	print "AT!S\r\n"
	match "\r\n\r\n" AdtranXRTDiagBlank
	match "END OF STATUS BUFFER" AdtranXRTDiagBlank
	match "L1 not up." AdtranXRTDiagL1
	match "FACILITY_NOT_SUBSCRIBED" AdtranXRTDiagFNS
	match "Unknown AT cmd" IQSyncOK
	match "ERR"
	match "OK\r\n"
	wait 3
	call GetOK
	log "The ISDN modem did not properly answer ATS59?"
	failure
	goto ImpactIQCheckInit

AdtranXRTDiagFNS:
	log "ISDN initialization failed. Please check your ISDN switch type, directory numbers, and SPID settings."
	failure

AdtranXRTDiagL1:
	log "The ISDN modem is not receiving any ISDN signal. Please verify that it's connected to an ISDN line."
	failure

AdtranXRTDiagBlank:
	log "ISDN initialization failed or restarting link. Please verify proper line connection and ISDN settings."
	failure

##
## AdtranXRTCheckLink
##
## Check the link status registers
##

AdtranXRTCheckLink:
	log "Checking the ISDN modem's link status..."
	print "AT!S1\r\n"
	match "Link In Sync" AdtranXRTSyncReg
	match "Getting" AdtranXRTSyncReg
	match "Register" AdtranXRTSyncReg
	match "Ready" AdtranXRTSyncOK
	match "Down" AdtranXRTSyncFail
	match "ERR"
	match "OK\r\n"
	wait 3
	call GetOK
	log "The ISDN modem did not properly answer AT!S1."
	failure
AdtranXRTSyncOK:
	return
AdtranXRTSyncFail:
	print "ATDT1\r\n"
	wait 1
	goto AdtranXRTDiagnose
AdtranXRTSyncReg:
	log "The ISDN modem is initializing itself."
	failure

##
## AdtranXRTCheckConfig
##
## Verify and adjust ISDN configuration as necessary
##

AdtranXRTCheckConfig:
	log "Checking the ISDN modem's ISDN configuration..."
	set $valueChanged "no"

	set $checkCmd "S52"
	set $checkValue "000"
	set $checkValueNew "0"
	if $TA_SwitchType == "DMS-100" set $checkValue "001"
	if $TA_SwitchType == "DMS-100" set $checkValueNew "1"
	if $TA_SwitchType == "NI-1" set $checkValue "002"
	if $TA_SwitchType == "NI-1" set $checkValueNew "2"
	set $checkMsg "Reprogramming switch type ($TA_SwitchType)..."
	call ModemCheckValue

# Check directory numbers

AdtranXRTCheckDirnos:
	set $checkCmd "SS62"
	set $checkValue $TA_Dirno1
	set $checkValueNew $TA_Dirno1
	set $checkMsg "Reprogramming line #1 directory number..."
	call ModemCheckValue

	set $checkCmd "SS63"
	set $checkValue $TA_Dirno2
	set $checkValueNew $TA_Dirno2
	set $checkMsg "Reprogramming line #2 directory number..."
	call ModemCheckValue

# Check SPIDs

	set $checkCmd "SS60"
	set $checkValue $TA_SPID1
	set $checkValueNew $TA_SPID1
	set $checkMsg "Reprogramming line #1 SPID..."
	call ModemCheckValue

	set $checkCmd "SS61"
	set $checkValue $TA_SPID2
	set $checkValueNew $TA_SPID2
	set $checkMsg "Reprogramming line #2 SPID..."
	call ModemCheckValue

# Restart if necessary

	if $valueChanged == "no" return
	log "Restarting ISDN modem with the new configuration..."
	set $modemCmd "&W"
	call ModemCmd2
	set $modemCmd "Z"
	call ModemCmd2
	failure

#################################################################
#
#	BASIC MODEM STUFF
#
#################################################################

##
## ModemAnswer
##
## Wait for a RING and answer it. Variables:
##
##  $RingTimeout	How long for a RING before giving up (default 10 min)
##  $ConnectTimeout	How long for connect after answering (default 45 secs)
##
## Returns:
##
##  $answerReturn	"OK" or "FAIL"
##  $ConnectionSpeed	Connection speed reported by modem (possibly empty)
##

ModemAnswer:
	if $RingTimeout == "" set $RingTimeout 600
	if $ConnectTimeout == "" set $ConnectTimeout 45
	match "RING\r" ModemAnswerGotRing
	wait $RingTimeout
	log "No RING detected after $RingTimeout seconds."
	set $answerReturn "FAIL"
	return
ModemAnswerGotRing:
	log "Incoming call detected..."
	print "ATA\r\n"
	regex "CONNECT *([0-9]*).*$" ModemAnswerConnect
	wait $ConnectTimeout
	log "Failed to connect incoming call."
	set $answerReturn "FAIL"
	return
ModemAnswerConnect:
	set $ConnectionSpeed $matchedString1
	set $answerReturn "OK"
	return

##
## ModemFind
##
## Just try to get where we are talking to the modem.
## Returns with $ErrorMsg equal to the empty string if
## we found the modem, or else some error message if not.
##

ModemFind:

# Do a quick check first...

	set $ErrorMsg ""
	call ModemFind4
	if $modemCmdResult == "OK" return
	if $Serial230K != "yes" goto ModemFind1
	set $newBaudrate 230400
	if $Baudrate == "230400" set $newBaudrate 115200
	set $Baudrate $newBaudrate
	call ModemFind4
	if $modemCmdResult == "OK" return

# Now try possible baud rates more extensively

ModemFind1:
	set $Baudrate 115200
	call ModemFind2
	if $modemCmdResult == "OK" return
	if $Serial230K != "yes" return
	set $Baudrate 230400
	wait 1
	call ModemFind2
	if $modemCmdResult == "OK" return
	set $ErrorMsg "The modem is not responding."
	return

# This tries the +++ sequence in case the modem is in "on-line" mode

ModemFind2:
	call ModemFind3
	if $modemCmdResult == "OK" return
	call SendTriplePlus
	call ModemFind3
	return

# This tries a few commands to see if the modem responds with "OK"

ModemFind3:
	set $modemCmd ""
	set $modemCmdTimeout 1
	call ModemCmd0
	if $modemCmdResult == "OK" return
	set $modemCmd "Z"
	set $modemCmdTimeout 2
	call ModemCmd0
	if $modemCmdResult == "OK" return
ModemFind4:
	set $modemCmd ""
	set $modemCmdTimeout 1
	call ModemCmd0
	return

##
## SetBaudrate
##
## Change baud rates (as allowed) and verify modem is still there.
## If not, then fail the script.
##
##   $newBaudrate	New baud rate; if we don't support it, just return.
##   $modemCmd		Command to send modem to jump to the new baud rate.
##

SetBaudrate:
	if $Baudrate == $newBaudrate return
	if $newBaudrate != 230400 goto SetBaudrate2
	if $Serial230K != "yes" return
SetBaudrate2:
	log "Setting serial port speed to $newBaudrate..."
	print "AT$modemCmd\r\n"
	wait 1
	set $Baudrate $newBaudrate
	wait 1
	set $modemCmd ""
	goto ModemCmd2

##
## ModemCheckValue 
##
## Check the value in an S-register (or equivalent). If it is
## not what we want, then change it and set $valueChanged to "yes",
## and log $checkMsg (if not empty). The value $checkValueNew is
## what we program the S-register to equal if it doesn't match.
##
## The $checkValue must match exactly on the first line of output.
## If we get any wierd error, then fail the script.
##

ModemCheckValue:
	set $modemCmd "${checkCmd}?"
	call ModemQuery
	if $modemQuery == $checkValue return
	set $valueChanged "yes"
	set $checkValueMyNew $checkValueNew
	if $checkValueNew == "" set $checkValueMyNew $checkValue
	set $modemCmd "${checkCmd}=${checkValueMyNew}"
	if $checkMsg != "" log $checkMsg
	goto ModemCmd2

##
## ModemCmd
##
## Do the modem command in $modemCmd. Set $modemCmdResult to
##
##	OK	The modem returned "OK"
##	ERROR	The modem returned "ERR" or "ERROR"
##	TIMEOUT	The modem did not respond within three seconds
##
## If ERR or TIMEOUT, also set $ErrorMsg to an appropriate message
##

ModemCmd:
	set $modemCmdTimeout 3
ModemCmd0:
	print "AT$modemCmd\r\n"
	match "OK\r\n" ModemCmdOk
	match "ERR" ModemCmdErr
	wait $modemCmdTimeout
	set $modemCmdResult "TIMEOUT"
ModemCmdTimeout:
	set $ErrorMsg "The modem is not responding."
	return
ModemCmdOk:
	set $modemCmdResult "OK"
	return
ModemCmdErr:
	set $modemCmdResult "ERROR"
	set $ErrorMsg "The modem did not accept the command AT$modemCmd."
	return

##
## ModemCmd2
##
## Do the modem command in $modemCmd. If we don't get OK back,
## fail the script and log an error message.
##

ModemCmd2:
	call ModemCmd
	if $modemCmdResult == "OK" return
	log $ErrorMsg
	failure

##
## ModemCmdSend
##
## Send a modem command and read the echo'ed CR-LF
##

ModemCmdSend:
	print "AT$modemCmd\r\n"
	match "\r\n" ModemCmdSend2
	wait 3
	goto ModemCmdTimeout
ModemCmdSend2:
	return

##
## ModemQuery
##
## Do the $modemCmd and expect exactly one line of response, then OK.
## Return the response in $modemQuery. If anything goes wrong, die.
##

ModemQuery:
	call ModemCmdSend
	call ReadLine
	set $modemQuery $matchedString
	if $modemQuery == "ERR" goto ModemQueryError
	if $modemQuery == "ERROR" goto ModemQueryError
	goto GetOK
ModemQueryError:
	call ModemCmdErr
	failure

# Same thing, but strip leading and trailing blanks

ModemQueryStrip:
	call ModemQuery
	if $modemQuery match " *(.*) *" nop
	set $modemQuery $matchedString1
	return

##
## ReadLine
##
## Read the next line of output. It should come within $modemCmdTimeout
## seconds, or else we fail. Return it in $matchedString.
##

ReadLine:
	regex "^.*$" ReadLineDone
	wait $modemCmdTimeout
	set $ErrorMsg "The modem is not responding."
	log $ErrorMsg
	failure
ReadLineDone:
	return

##
## Get an OK within 3 seconds or die
##

GetOK:
	match "OK\r\n" GotOK
	wait 3
	log "The modem is not responding."
	failure
GotOK
	return

##
## Send "+++" to get modem attention if on-line
##

SendTriplePlus:
	print "\r\n"
	wait 2
	print "+++"
	wait 2
	return

#################################################################
#
#	LOGIN AUTO-SCRIPTING
#
#################################################################

##
## AutoLogin
##
## Here we attempt to figure out what the remote server wants
## from us. We do this by checking for bytes that correspond
## to PPP packets (in which case we are done) as well as common
## login type stuff like "name:", "ogin:", etc.
##
## This always returns. The hope is that when it returns, the
## remote side has reached PPP mode.
##
## This has been crafted from empirical evidence. Lots of terminal
## servers have various intelligent/stupid features which we
## take advantage of/have to work around.
##
## Variables (set automatically by mpd):
##
##  $Login		Authorization login
##  $Password		Authorization password
##

AutoLogin:
	log "Initiating auto-login..."

# Spend at most this long doing auto-login before giving up

	timer autoLogin 5 AutoLoginTimeout

# At any time if we see an LCP frame (not our own echo) then we're done

	match autoLogin "\x7e\xff\x03\xc0\x21" AutoLoginFrame
	match autoLogin "\x7e\xff\x7d\x23\xc0\x21\x7d\x21" AutoLoginFrame
	match autoLogin "\x7e\xc0\x21" AutoLoginFrame

# Now send a "fake" PPP frame (this is an empty config-reject with id# 172).
# This should trigger any auto-detecting servers to jump into PPP mode,
# which is good because it's faster (by avoiding human readable messages)
# and more reliable (PPP framing).

	print "\x7e\xff\x7d\x23\xc0\x21\x7d\x24\xac\x7d\x20\x7d\x24\x2e\x2b\x7e"

# Wait one second for server to auto-detect PPP or send a login prompt.
# After one second of neither, try sending a carriage return (some servers
# require this). After that, we have to see something recognizable from
# the peer, otherwise we'll just timeout.

	match "ogin" AutoLoginPrompt
	match "name" AutoLoginPrompt
	wait 1
	print "\r"
	match "ogin" AutoLoginPrompt
	match "name" AutoLoginPrompt
	wait

# At this point we've seen a login prompt; do the manual login

AutoLoginPrompt:
	log "Sending login..."
	print "${Login}\r"
	match "word"
	wait
	log "Sending password..."
	print "${Password}\r"
	match "\r"
	wait
	if $didLogin != "yes" match "ogin:" LoginAgain
	match ">"
	match "%"
	match ":"
	wait
	log "Enabling PPP..."
	print "ppp\r"
	cancel all
	return

LoginAgain:
	set $didLogin "yes"
	goto AutoLoginPrompt

# We saw a PPP frame

AutoLoginFrame:
	log "Detected PPP frame."
	cancel all
	return

# We timed out before seeing a PPP frame. Cross your fingers and pray.

AutoLoginTimeout:
	log "Auto-login timeout."
	cancel all
	return
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