flexfax: US Robotics 56K: Phase B errors

["Prof. Bernd-Peter Paris" <pparis@gmu.edu>]

Does anyone have a solution to my problem with HylaFAX?
Please, respond directly to me since I don't subscribe to the mailing
list.

Thanks for your help,

Peter

Problem:
========
An "Unspecified Transmit Phase B error (code 20)" occurs persistently
and with different remote fax modems.
The log shows:
Feb 04 18:40:06.79: [ 1265]: SESSION BEGIN 00000023 17035569147
Feb 04 18:40:06.80: [ 1265]: SEND FAX: JOB 14 DEST 556-9147 COMMID
00000023
Feb 04 18:40:06.80: [ 1265]: DELAY 2600 ms
Feb 04 18:40:09.39: [ 1265]: <-- [17:ATE0V1Q0X4S0=0H0\r]
Feb 04 18:40:09.54: [ 1265]: --> [16:ATE0V1Q0X4S0=0H0]
Feb 04 18:40:09.54: [ 1265]: --> [2:OK]
Feb 04 18:40:09.54: [ 1265]: <-- [32:ATS8=2S7=60&H1&I0&R2S13=1&D2&C1\r]
Feb 04 18:40:09.69: [ 1265]: --> [2:OK]
Feb 04 18:40:09.69: [ 1265]: <-- [14:AT+FCLASS=2.0\r]
Feb 04 18:40:09.84: [ 1265]: --> [2:OK]
Feb 04 18:40:09.84: [ 1265]: <-- [9:AT+FLO=2\r]
Feb 04 18:40:09.99: [ 1265]: --> [2:OK]
Feb 04 18:40:09.99: [ 1265]: <-- [9:AT+FPP=0\r]
Feb 04 18:40:10.14: [ 1265]: --> [2:OK]
Feb 04 18:40:10.14: [ 1265]: <-- [9:AT+FBO=0\r]
Feb 04 18:40:10.29: [ 1265]: --> [2:OK]
Feb 04 18:40:10.29: [ 1265]: <-- [10:AT+FCT=30\r]
Feb 04 18:40:10.44: [ 1265]: --> [2:OK]
Feb 04 18:40:10.44: [ 1265]: <-- [15:AT+FNR=1,1,1,1\r]
Feb 04 18:40:10.59: [ 1265]: --> [2:OK]
Feb 04 18:40:10.59: [ 1265]: <-- [9:AT+FIE=0\r]
Feb 04 18:40:10.74: [ 1265]: --> [2:OK]
Feb 04 18:40:10.74: [ 1265]: <-- [23:AT+FCC=1,5,2,2,0,0,0,0\r]
Feb 04 18:40:10.89: [ 1265]: --> [2:OK]
Feb 04 18:40:10.89: [ 1265]: <-- [5:ATM0\r]
Feb 04 18:40:11.03: [ 1265]: --> [2:OK]
Feb 04 18:40:11.03: [ 1265]: <-- [14:AT+FCLASS=2.0\r]
Feb 04 18:40:11.26: [ 1265]: --> [2:OK]
Feb 04 18:40:11.26: [ 1265]: <-- [9:AT+FLO=2\r]
Feb 04 18:40:11.49: [ 1265]: --> [2:OK]
Feb 04 18:40:11.49: [ 1265]: <-- [9:AT+FPP=0\r]
Feb 04 18:40:11.72: [ 1265]: --> [2:OK]
Feb 04 18:40:11.72: [ 1265]: <-- [9:AT+FBO=0\r]
Feb 04 18:40:11.95: [ 1265]: --> [2:OK]
Feb 04 18:40:11.95: [ 1265]: <-- [10:AT+FCT=30\r]
Feb 04 18:40:12.18: [ 1265]: --> [2:OK]
Feb 04 18:40:12.18: [ 1265]: <-- [15:AT+FNR=1,1,1,1\r]
Feb 04 18:40:12.41: [ 1265]: --> [2:OK]
Feb 04 18:40:12.41: [ 1265]: <-- [9:AT+FIE=0\r]
Feb 04 18:40:12.64: [ 1265]: --> [2:OK]
Feb 04 18:40:12.64: [ 1265]: <-- [23:AT+FCC=1,5,2,2,0,0,0,0\r]
Feb 04 18:40:12.87: [ 1265]: --> [2:OK]
Feb 04 18:40:12.87: [ 1265]: <-- [25:AT+FLI="Prof. Paris/GMU"\r]
Feb 04 18:40:13.10: [ 1265]: --> [2:OK]
Feb 04 18:40:13.11: [ 1265]: DIAL 9,5569147
Feb 04 18:40:13.11: [ 1265]: <-- [14:ATDT9,5569147\r]
Feb 04 18:40:27.72: [ 1265]: --> [4:+FCO]
Feb 04 18:40:30.45: [ 1265]: --> [25:+FNF:+FCI:"          70]
Feb 04 18:40:30.46: [ 1265]: REMOTE NSF "+FCI:"          70"
Feb 04 18:40:30.46: [ 1265]: -->
[40:5569147"+FIS:1,5,0,2,0,0,0,0]
Feb 04 18:40:30.46: [ 1265]: --> [2:OK]
Feb 04 18:40:30.46: [ 1265]: REMOTE HANGUP: Unspecified Transmit Phase B
error (code 20)
Feb 04 18:40:30.46: [ 1265]: SEND FAILED: Unspecified Transmit Phase B
error
Feb 04 18:40:30.46: [ 1265]: <-- [5:ATH0\r]
Feb 04 18:40:30.68: [ 1265]: --> [2:OK]
Feb 04 18:40:30.69: [ 1265]: SESSION END


Configuration:
==============
HylaFAX v4.0pl1 under IRIX 6.3 obtained from official distribution.

Modem:
======
Product type           US/Canada External
Options                V32bis,V.34+,x2
Fax Options            Class 1/Class 2.0
Line Options           Caller ID, Distinctive Ring
Clock Freq             92.0Mhz
Eprom                  256k
Ram                    32k

FLASH date             3/8/97
FLASH rev              4.1.55

DSP date               3/8/97
DSP rev                10.3.55

Modem-related stuff from config file:
======================================
ModemType:              Class2.0        # use class 2.0 interface
ModemRate:              38400           # DCE-DTE communication rate
ModemFlowControl:       rtscts          # XON/XOFF flow control assumed
#
ModemNoFlowCmd:         AT&H0&I0&R1     # setup modem for no flow
control
ModemHardFlowCmd:       AT&H1&I0&R2     # setup modem for hardware flow
control
ModemSoftFlowCmd:       AT&H2&I2&R1     # setup modem for software flow
control
#
ModemSetupDTRCmd:       ATS13=1&D2      # setup so DTR drop resets modem
ModemSetupDCDCmd:       AT&C1           # setup so DCD reflects carrier
(or not)ModemResultCodesCmd:    ATQ0X4          # enable extended result
codes
#
# NB: adaptive answer only seems to work properly when
#     the modem is left idling in Class 2.0
#
ModemSetupAACmd:        AT+FAA=1
#
# Set modem speaker volume commands: OFF QUIET LOW MEDIUM HIGH.
# Note that we both turn the speaker on/off and set volume.
#
ModemSetVolumeCmd:      "ATM0 ATM1 ATM1 ATM1 ATM1"
#
# Modem does not support HDLC frame tracing; we add this just
# to eliminate spurious ERROR results that confuse the naive.
#
Class2BUGCmd:           AT+FBU=0
#
# The modem doesn't support copy quality checking, even though it
# returns (0-2,0-2) for AT+FCQ=?; therefore we override the query
# response so that the server will do copy quality checking.
#
Class2CQQueryCmd:       !(0),(0)        # override modem response



--
Dr. Bernd-Peter Paris               Tel.:   +1 (703) 993-1559
Dept. of Electrical and Comp. Eng.  Fax:    +1 (703) 993-1601
George Mason University             E-mail: pparis@gmu.edu
Fairfax, VA 22030                   http://thalia.spec.gmu.edu/~pparis