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Terminal 'Local Echo' lost on Modem Dial-out
Post 19414 by mybeat on Thursday 11th of April 2002 04:15:48 AM
04-11-2002
Terminal 'Local Echo' lost on Modem Dial-out
Can anybody help me?
I am developing a utility for automating message paging to a BT alphanumeric pager.
I am using a USR 56K Fax-modem connected to /dev/cuab on a Sun Ultra-10. I am using the UNIX 'tip' utility to connect to the modem and I have configured the modem as follows: Baud Rate: 1200, Parity: even, Data Bits: 7, Start Bits: 1, Stop Bits: 1, Flow Control: XON/XOFF, Error Correction: off. Note: these settings are specified by the BT Paging Service which uses the TAP protocol standard.
The problem that I am seeing is as follows:
I fire up tip and connect to the modem OK, but after issuing the Hayes command to dial the paging service, e.g. ATX0DT<PHONENUMBER>, I lose local echo on the terminal window I am using. Note, however, that I can successfully connect to the paging service and can successfully send a message to a pager. However, this is done by blindly typing the TAP commands into the window (very quickly to avoid a timeout!) once I have connected to the paging service. Moreover, I also lose the capability of cut&pasting the Hayes/TAP commands into the terminal window.
It is very important that I get local echo working as I want to automate the complete process using Expect. I appreciate that I could use Kermit to do the job for me, but I have come so far with this that I just want to complete it.
I have tried Solaris 2.6/7/8 and experience the same problem on each OS. Also, the problem occurs under both Openlook and CDE.
I read somewhere that 'tip' sometimes has problems when used in terminal windows that have scrollbars. Therefore, I have been using a shell tool with no scrollbar.
I have also tried various different terminal types notably: vt100, xterm, sun-cmd, AT386.
Any ideas?
Thanks in advance.
I am developing a utility for automating message paging to a BT alphanumeric pager.
I am using a USR 56K Fax-modem connected to /dev/cuab on a Sun Ultra-10. I am using the UNIX 'tip' utility to connect to the modem and I have configured the modem as follows: Baud Rate: 1200, Parity: even, Data Bits: 7, Start Bits: 1, Stop Bits: 1, Flow Control: XON/XOFF, Error Correction: off. Note: these settings are specified by the BT Paging Service which uses the TAP protocol standard.
The problem that I am seeing is as follows:
I fire up tip and connect to the modem OK, but after issuing the Hayes command to dial the paging service, e.g. ATX0DT<PHONENUMBER>, I lose local echo on the terminal window I am using. Note, however, that I can successfully connect to the paging service and can successfully send a message to a pager. However, this is done by blindly typing the TAP commands into the window (very quickly to avoid a timeout!) once I have connected to the paging service. Moreover, I also lose the capability of cut&pasting the Hayes/TAP commands into the terminal window.
It is very important that I get local echo working as I want to automate the complete process using Expect. I appreciate that I could use Kermit to do the job for me, but I have come so far with this that I just want to complete it.
I have tried Solaris 2.6/7/8 and experience the same problem on each OS. Also, the problem occurs under both Openlook and CDE.
I read somewhere that 'tip' sometimes has problems when used in terminal windows that have scrollbars. Therefore, I have been using a shell tool with no scrollbar.
I have also tried various different terminal types notably: vt100, xterm, sun-cmd, AT386.
Any ideas?
Thanks in advance.
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LEARN ABOUT DEBIAN
tcpser
TCPSER(1) General Commands Manual TCPSER(1) NAME
tcpser - emulate a Hayes compatible modem SYNOPSIS
tcpser -d dev -s speed [-l log_level -t tracing_options] ... tcpser -v port [-l log_level -t tracing_options] ... DESCRIPTION
This manual page documents briefly the tcpser command. tcpser turns a PC serial port into an emulated Hayes compatible modem that uses TCP/IP for incoming and outgoing connections. It can be used to allow older applications and systems designed for modem use to operate on the Internet. tcpser supports all standard Hayes com- mands, and understands extended and vendor proprietary commands (though it does not implement many of them). tcpser can be used for both inbound and outbound connections. OPTIONS
A summary of options is included below. -h Show summary of options. -p Port to listen on (defaults to 6400). -t Trace flags: (can be combined) s modem input S modem output i IP input I IP output -l Log level: 0 (NONE), 1 (FATAL) - 7 (DEBUG_X) (defaults to 0). -L Log file (defaults to stderr). The following can be repeated for each modem desired (-s, -S, and -i will apply to any subsequent device if not set again): -d Serial device (e.g. /dev/ttyS0). Cannot be used with -v -v TCP port for VICE RS232 (e.g. 25232). Cannot be used with -d -s Serial port speed (defaults to 38400). -S Speed modem will report (defaults to -s value). -I Invert DCD pin. -n Add phone entry (number=replacement). -a Filename to send to local side upon answer. -A Filename to send to remote side upon answer. -c Filename to send to local side upon connect. -C Filename to send to remote side upon connect. -N Filename to send when no answer. -B Filename to send when modem(s) busy. -T Filename to send upon inactivity timeout. -i Modem init string (defaults to `', leave off `at' prefix when specifying). -D Direct connection (follow with hostname:port for caller, : for receiver). AUTHOR
tcpser was written by Jim Brain <brain@jbrain.com>. This manual page was written by Peter Collingbourne <pcc03@doc.ic.ac.uk>, for the Debian project (but may be used by others). July 5, 2006 TCPSER(1)