Problem with HCF 56K Speakerphone PCI modem

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This modem appears to be OK. In Diagnostics, it's OK. But when I try to connect to ISP, it begins the handshake, and return NO RESPONSE. I try with another modem, and this works OK.

Here some connection details

08-14-2002 10:27:48.96 - Rockwell HCF 56K Speakerphone PCI Modem in use.
08-14-2002 10:27:48.96 - Modem type: Rockwell HCF 56K Speakerphone PCI Modem
08-14-2002 10:27:48.96 - Modem inf path: RSS8004.INF
08-14-2002 10:27:48.96 - Modem inf section: Modem
08-14-2002 10:27:49.55 - 57600,N,8,1
08-14-2002 10:27:49.56 - 57600,N,8,1
08-14-2002 10:27:49.56 - Initializing modem.
08-14-2002 10:27:49.56 - Send: AT<cr>
08-14-2002 10:27:49.56 - Recv: <cr><lf>OK<cr><lf>
08-14-2002 10:27:49.56 - Interpreted response: Ok
08-14-2002 10:27:49.56 - Send: AT&FE0V1S0=0&C1&D2+MR=2;+DR=1;+ER=1;W0<cr>
08-14-2002 10:27:49.56 - Recv: <cr><lf>OK<cr><lf>
08-14-2002 10:27:49.56 - Interpreted response: Ok
08-14-2002 10:27:49.56 - Send: ATS7=60L2M1+ES=3,0,2;+DS=3;+IFC=0,0;X4<cr>
08-14-2002 10:27:49.57 - Recv: <cr><lf>OK<cr><lf>
08-14-2002 10:27:49.57 - Interpreted response: Ok
08-14-2002 10:27:49.57 - Dialing.
08-14-2002 10:27:49.57 - Send: ATDT;<cr>
08-14-2002 10:27:51.35 - Recv: <cr><lf>OK<cr><lf>
08-14-2002 10:27:51.35 - Interpreted response: Ok
08-14-2002 10:27:51.35 - Dialing.
08-14-2002 10:27:51.35 - Send: ATDT#######<cr>
08-14-2002 10:29:01.34 - Recv: <no response>
08-14-2002 10:29:01.34 - WARNING: Unrecognized response. Retrying...
08-14-2002 10:29:01.45 - Hanging up the modem.
08-14-2002 10:29:01.46 - Session Statistics:
08-14-2002 10:29:01.46 - Reads : 24 bytes
08-14-2002 10:29:01.46 - Writes: 99 bytes
08-14-2002 10:29:01.46 - Rockwell HCF 56K Speakerphone PCI Modem closed.