paolo bevilacqua Sun, 06/03/2007 - 20:06
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Hi,


supporting modem in VoIP is possible, but will require a lot of attention in configuration and is subject to limitations. Basically, there are two options, modem pass-through and modem relay.

What is the complete picture? Do you use CCM? What is the other end of the call ?

mike.lo Sun, 06/03/2007 - 23:14
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we're using CCM 4.1(3)sr3a with FXS of voice gateway C2851 12.4(3b). the modem is mainly for dial-out only with 56kpbs. the far-end is also a modem.

zangelo_vbar Wed, 06/06/2007 - 06:09
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We're also using CCM with a C2821 voice gateway. I have modem calls originating on a PRI and I'd like them to terminate on an FXS port.

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