Build 5600

Cingular Novatel U730
Most recent versions of drivers, firmware, and using MOBILINK connection
manager.

Attempt to connect, it says "READY", "CONNECTING", "AUTHENTICATING" then
ERROR 628: Something about remote sire disconnecting.

MODEM DIAGNOSTIC LOG SAYS:

10-06-2006 10:29:43.365 - File: C:\Windows\system32\tapisrv.dll, Version
6.0.5600
10-06-2006 10:29:43.466 - File: C:\Windows\system32\unimdm.tsp, Version
6.0.5600
10-06-2006 10:29:43.466 - File: C:\Windows\system32\unimdmat.dll, Version
6.0.5600
10-06-2006 10:29:43.466 - File: C:\Windows\system32\uniplat.dll, Version
6.0.5600
10-06-2006 10:29:43.468 - File: C:\Windows\system32\drivers\modem.sys,
Version 6.0.5600
10-06-2006 10:29:43.558 - File: C:\Windows\system32\modemui.dll, Version
6.0.5600
10-06-2006 10:29:43.658 - File: C:\Windows\system32\mdminst.dll, Version
6.0.5600
10-06-2006 10:29:43.658 - Modem type: Novatel Wireless Merlin HSDPA Modem
10-06-2006 10:29:43.658 - Modem inf path: oem5.inf
10-06-2006 10:29:43.658 - Modem inf section: Modem
10-06-2006 10:29:43.658 - Matching hardware ID: usb\vid_1410&pid_1400&mi_00
10-06-2006 10:29:43.731 - 230400,8,N,1, ctsfl=1, rtsctl=2
10-06-2006 10:29:43.740 - Initializing modem.
10-06-2006 10:29:43.758 - Send: ATcr
10-06-2006 10:29:43.763 - Recv: crlfOKcrlf
10-06-2006 10:29:43.763 - Interpreted response: OK
10-06-2006 10:29:43.773 - Send: AT&F&D2&C1E0V1S0=0cr
10-06-2006 10:29:43.774 - Recv: AT&F&D2&C1E0V1S0=0cr
10-06-2006 10:29:43.775 - Command Echo
10-06-2006 10:29:43.779 - Recv: crlfOKcrlf
10-06-2006 10:29:43.779 - Interpreted response: OK
10-06-2006 10:29:43.789 - Send: AT+IFC=2,2cr
10-06-2006 10:29:43.791 - Recv: crlfOKcrlf
10-06-2006 10:29:43.791 - Interpreted response: OK
10-06-2006 10:29:43.791 - Waiting for a call.
10-06-2006 10:29:43.802 - Send: ATS0=0cr
10-06-2006 10:29:43.804 - Recv: crlfOKcrlf
10-06-2006 10:29:43.804 - Interpreted response: OK
10-06-2006 10:29:43.805 - 230400,8,N,1, ctsfl=1, rtsctl=2
10-06-2006 10:29:43.814 - Initializing modem.
10-06-2006 10:29:43.824 - Send: ATcr
10-06-2006 10:29:43.826 - Recv: crlfOKcrlf
10-06-2006 10:29:43.826 - Interpreted response: OK
10-06-2006 10:29:43.836 - Send: AT&F&D2&C1E0V1S0=0cr
10-06-2006 10:29:43.841 - Recv: crlfOKcrlf
10-06-2006 10:29:43.841 - Interpreted response: OK
10-06-2006 10:29:43.870 - Send: AT+IFC=2,2cr
10-06-2006 10:29:43.880 - Recv: crlfOKcrlf
10-06-2006 10:29:43.880 - Interpreted response: OK
10-06-2006 10:29:43.908 - Dialing.
10-06-2006 10:29:43.919 - Send: ATD*###cr
10-06-2006 10:29:43.942 - Recv: crlfCONNECT HSDPAcrlf
10-06-2006 10:29:43.942 - Unknown Response
10-06-2006 10:29:44.143 - Recv: no response

10-06-2006 10:29:44.143 - An unknown response was received while attempting
to connect, but CD was high so completing successfully
10-06-2006 10:29:44.145 - Connection established at 230400bps.
10-06-2006 10:29:44.145 - Error-control off or unknown.
10-06-2006 10:29:44.145 - Data compression off or unknown.
10-06-2006 10:29:50.084 - CD dropped--Remote modem hung up.
ModemStatus=00000030
10-06-2006 10:29:50.106 - Hanging up the modem.

Same firmware, software, etcf. works fine on XP SP2 PC