Yes, you would just plug the FXO ports directly into the cable modem and it would work. In my experience the cable media gateways (Arris and Motorola) are more robust than VoIP ATAs. They can provide polarity reversal on disconnect, can power a higher REN, and even have built-in batteries to keep the phones running when the power goes out (the battery only powers the phones, not the Internet connection). YMMV based on your local cable co's implementation.
>From a financial standpoint, I think you would be better off with a SIP/IAX trunk, because cable telephone service is taxed just like regular POTS service, adding 40%+ to the bill. ----- Original Message ----- From: "Joe Acquisto" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, November 27, 2007 9:01 AM Subject: [asterisk-users] Sip to ATA? > Currently running two POTS lines into an asterisk system. Analog and SIP > on premises. Being in the sticks, the POTS service is abysmal for > quality, especially in the rain. > > Recently, cable has become available with VOIP phone. The cost savings > are attractive as it can replace several independent services for TV and > internet (currently satellite). > > But, I cannot get much out of them, regarding how the phone service works. > All I can get is I plug my existing phones and answering machines into the > back of the "cable modem" and am good to go. > > I am hesitant to believe that I can simply plug my TDM400P (2fxo/2fxs) > into these (ATA ?) jacks and call it good. > > Any insight? Am I better off ignoring their phone offering and setting > myself up with an IAX or SIP provider? (and surplus-ing the card). I > would end up needing more than their single line offering with a second > line at $30/month (USD). Seems that might make more sense > > joe a. > > > _______________________________________________ > --Bandwidth and Colocation Provided by http://www.api-digital.com-- > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > > _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
