The remote is a linux server running pppd with LCP enabled. On the Win7
side, the 56k modem would disconnect in just a few minutes, rendering
the ppp connection un-usable.

Is it a known issue?

BTW, is there a group discussing about Win 7 beta?

--
@~@ Might, Courage, Vision, SINCERITY.
/ v \ Simplicity is Beauty! May the Force and Farce be with you!
/( _ )\ (Ubuntu 9.04) Linux 2.6.29.2
^ ^ 14:17:01 up 1 day 4:23 2 users load average: 1.01 1.08 1.13
???! ???! ???! ???! ???! ???! ????? (CSSA):
http://www.swd.gov.hk/tc/index/site_...sub_addressesa

..txt05-09-2009 14:02:32.704 - Dialing.
05-09-2009 14:02:32.714 - Send: ATDT########cr
05-09-2009 14:03:00.309 - Recv: crlf+MCR: V32crlf
05-09-2009 14:03:00.309 - Interpreted response: Informative
05-09-2009 14:03:00.309 - Recv: crlf+MRR: 9600crlf
05-09-2009 14:03:00.309 - Interpreted response: Informative
05-09-2009 14:03:01.126 - Recv: crlf+ER: LAPMcrlf
05-09-2009 14:03:01.126 - Interpreted response: Informative
05-09-2009 14:03:01.126 - Recv: crlf+DR: V42Bcrlf
05-09-2009 14:03:01.126 - Interpreted response: Informative
05-09-2009 14:03:01.126 - Recv: crlfCONNECT 9600crlf
05-09-2009 14:03:01.126 - Interpreted response: Connect
05-09-2009 14:03:01.126 - Connection established at 9600bps.
05-09-2009 14:03:01.126 - Error-control on.
05-09-2009 14:03:01.126 - Data compression on.
05-09-2009 14:03:31.126 - Read: Total: 6567, Per/Sec: 223, Written: Total: 6218, Per/Sec: 210
05-09-2009 14:05:31.126 - Read: Total: 44714, Per/Sec: 320, Written: Total: 16362, Per/Sec: 85
05-09-2009 14:06:16.115 - CD dropped--Remote modem hung up. ModemStatus=00000030
05-09-2009 14:06:16.116 - Hanging up the modem.
05-09-2009 14:06:16.218 - Recv: crlfNO CARRIERcrlf
05-09-2009 14:06:16.218 - Interpreted response: No Carrier
05-09-2009 14:06:16.228 - Send: ATHcr
05-09-2009 14:06:16.229 - Recv: crlfOKcrlf
05-09-2009 14:06:16.229 - Interpreted response: OK
05-09-2009 14:06:16.239 - Send: at#udcr
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 0=10crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 1=7crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 2=0crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 3=0crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 4=""crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 5="C1051310"crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 10=8 11=8 12=21crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 13=21crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 14=21crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 15=21crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 16=21crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 17=21crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 18=0crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 20=A 22=960 24=708crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 21=A 23=960 25=708crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 26=2580 27=2580crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.240 - Recv: 2A4D3263 30=0 31=0crlf
05-09-2009 14:06:16.240 - Recv: crlfDIAG
05-09-2009 14:06:16.240 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 32=0 33=0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 34=2580 35=2580crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 40=1crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 41=80crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 42=0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 43=0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 44=1crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 45=800crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 50=2crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 51=2crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 52=5174crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 53=1C4C0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 54=0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 55=0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 56=198crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 57=44Fcrlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.241 - Recv: 2A4D3263 58=0crlf
05-09-2009 14:06:16.241 - Recv: crlfDIAG
05-09-2009 14:06:16.241 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 59=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 60=5Fcrlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 61=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 BA=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 BB=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 BC=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 BD=57600crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 BE=NONEcrlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 BF=8crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 F5=0 F6=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 F7=0 F8=0crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 F9=75crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 FA=3Bcrlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 FB=3B FC=75crlf
05-09-2009 14:06:16.242 - Recv: crlfDIAG
05-09-2009 14:06:16.242 - Interpreted response: Diagnostic Info
05-09-2009 14:06:16.242 - Recv: 2A4D3263 FD=FFFFA2E0 FE=0crlf
05-09-2009 14:06:16.242 - Recv: crlfOKcrlf
05-09-2009 14:06:16.242 - Interpreted response: OK
05-09-2009 14:06:16.242 - Diagnostics
05-09-2009 14:06:16.242 - Modem Diagnostics:
05-09-2009 14:06:16.242 - Connect Response: ..CONNECT 9600..
05-09-2009 14:06:16.242 - Version 1.0
05-09-2009 14:06:16.242 - Call Setup Result: Data Answering signal detected
05-09-2009 14:06:16.242 - Multi-media mode: Data Only
05-09-2009 14:06:16.242 - DTE-DCE interface mode: Async data
05-09-2009 14:06:16.242 - V.8 CM octet string: ""
05-09-2009 14:06:16.242 - V.8 JM octet string: "C1051310"
05-09-2009 14:06:16.243 - Received signal power level (in -dBm): 8
05-09-2009 14:06:16.243 - Transmit signal power level (in -dBm): 8
05-09-2009 14:06:16.243 - Estimated noise level (in -dBm): 33
05-09-2009 14:06:16.243 - Normalized Mean Squared error: 33
05-09-2009 14:06:16.243 - Near echo loss: 33 dB
05-09-2009 14:06:16.243 - Far echo loss: 33 dB
05-09-2009 14:06:16.243 - Far echo delay: 33 ms
05-09-2009 14:06:16.243 - Round Trip delay: 33 ms
05-09-2009 14:06:16.243 - V.34 INFO bit map: 0x0340fdf0
05-09-2009 14:06:16.243 - Transmit Carrier Negotiation Result: V.32
05-09-2009 14:06:16.243 - Transmit Carrier symbol rate: 2400
05-09-2009 14:06:16.243 - Transmit Carrier frequency: 1800
05-09-2009 14:06:16.243 - Receive Carrier Negotiation Result: V.32
05-09-2009 14:06:16.243 - Receive Carrier symbol rate: 2400
05-09-2009 14:06:16.243 - Receive Carrier frequency: 1800
05-09-2009 14:06:16.243 - Initial transmit carrier data rate: 9600
05-09-2009 14:06:16.243 - Initial receive carrier data rate: 9600
05-09-2009 14:06:16.243 - Temporary carrier loss event count: 0
05-09-2009 14:06:16.243 - Carrier Rate re-negotiation event count: 0
05-09-2009 14:06:16.243 - Carrier Retrains requested: 0
05-09-2009 14:06:16.243 - Carrier Retrain requests granted: 0
05-09-2009 14:06:16.243 - Final transmit carrier rate: 9600
05-09-2009 14:06:16.243 - Final receive carrier rate: 9600
05-09-2009 14:06:16.243 - Protocol Negotiation Result: V.42 LAPM
05-09-2009 14:06:16.243 - Error control frame size: 128
05-09-2009 14:06:16.243 - Error control link timeouts: 0
05-09-2009 14:06:16.243 - Error control link NAKs: 0
05-09-2009 14:06:16.243 - Compression Negotiation Result: V.42bis
05-09-2009 14:06:16.243 - Compression dictionary size: 2048
05-09-2009 14:06:16.243 - Transmit flow control: V.24 ckt 106/133
05-09-2009 14:06:16.243 - Receive flow control: V.24 ckt 106/133
05-09-2009 14:06:16.243 - Transmit characters sent from DTE: 20852
05-09-2009 14:06:16.243 - Received characters sent to DTE: 115904
05-09-2009 14:06:16.243 - Transmit characters lost (data overrun errors from DTE): 0
05-09-2009 14:06:16.243 - Received characters lost (data overrun errors to DTE): 0
05-09-2009 14:06:16.243 - Transmit Frame count: 408
05-09-2009 14:06:16.243 - Received Frame count: 1103
05-09-2009 14:06:16.243 - Transmit Frame error count: 0
05-09-2009 14:06:16.243 - Received Frame error count: 0
05-09-2009 14:06:16.243 - Termination Cause: Disconnect Frame Received
05-09-2009 14:06:16.243 - Call Waiting event count: 0
05-09-2009 14:06:16.243 - Don't know to format (0x000000ba, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000bb, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000bc, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000bd, 0x00057600) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000bf, 0x00000008) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000f5, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000f6, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000f7, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000f8, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000f9, 0x00000075) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000fa, 0x0000003b) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000fb, 0x0000003b) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000fc, 0x00000075) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000fd, 0xffffa2e0) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - Don't know to format (0x000000fe, 0x00000000) for tag 0x2a4d3263
05-09-2009 14:06:16.243 - 57600,8,N,1, ctsfl=1, rtsctl=2
05-09-2009 14:06:16.243 - Initializing modem.
05-09-2009 14:06:16.253 - Send: ATcr
05-09-2009 14:06:16.254 - Recv: crlfOKcrlf
05-09-2009 14:06:16.254 - Interpreted response: OK
05-09-2009 14:06:16.264 - Send: AT&FE0V1S0=0&C1&D2+MR=2;+DR=1;+ER=1;W2cr
05-09-2009 14:06:16.408 - Recv: crlfOKcrlf
05-09-2009 14:06:16.408 - Interpreted response: OK
05-09-2009 14:06:16.418 - Send: ATS7=60S30=0L3M1+ES=3,0,2;+DS=3;+DS44=3;+IFC=2,2;X 4cr
05-09-2009 14:06:16.419 - Recv: crlfOKcrlf
05-09-2009 14:06:16.419 - Interpreted response: OK
05-09-2009 14:06:16.419 - Sending user initialization commands.
05-09-2009 14:06:16.429 - Send: AT+MS=V32cr
05-09-2009 14:06:16.430 - Recv: crlfOKcrlf
05-09-2009 14:06:16.430 - Interpreted response: OK
05-09-2009 14:06:16.430 - Waiting for a call.
05-09-2009 14:06:16.440 - Send: ATS0=0cr
05-09-2009 14:06:16.441 - Recv: crlfOKcrlf
05-09-2009 14:06:16.441 - Interpreted response: OK
05-09-2009 14:06:16.441 - Session Statistics:
05-09-2009 14:06:16.441 - Reads : 30 bytes
05-09-2009 14:06:16.441 - Writes: 111 bytes