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On Sat, 2006-08-19 at 00:12 -0500, Rich Adamson wrote:
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<FONT COLOR="#000000">Barry D. Hassler wrote:</FONT>
<FONT COLOR="#000000">> Any further experience with the 3102? I'm looking for a solution to </FONT>
<FONT COLOR="#000000">> connect 2 CO lines and a set of 2-line phones to my asterisk server </FONT>
<FONT COLOR="#000000">> (along with a bunch of SIP phones). Would 2 of these work well for that?</FONT>
<FONT COLOR="#000000">> </FONT>
<FONT COLOR="#000000">> Hopefully no echo problems! That would kill this project? I'm still </FONT>
<FONT COLOR="#000000">> searching for one peice of hardware that would have 2 FXO and 2 FXO </FONT>
<FONT COLOR="#000000">> ports on it, but haven't stumbled on it yet....</FONT>
<FONT COLOR="#000000">The only way to know for sure whether the spa will provide reasonable </FONT>
<FONT COLOR="#000000">service is to try it on the actual pstn line to be used. There is no </FONT>
<FONT COLOR="#000000">other way for anyone to tell you anything different. The quality of the </FONT>
<FONT COLOR="#000000">audio & echo is 100% dependent on the exact pstn line characteristics, etc.</FONT>
<FONT COLOR="#000000">Two other reasonable alternatives are:</FONT>
<FONT COLOR="#000000">Digium TDM card with two fxo and two fxs modules.</FONT>
<FONT COLOR="#000000">Sangoma A200d card with one fxo module (has two lines on it) and one fxs </FONT>
<FONT COLOR="#000000">module (has two lines on it).</FONT>
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Yes, this would definitely work. J'm trying to avoid running phone lines the distance between the existing demarc and the asterisk server :-)<BR>
But, it would probably be the best solution. <BR>
<BR>
Actually, as I look further, I don't think the 3102 will work in this environment at all for what I want. (incoming FXO calls go to Asterisk server, and through its dial plan, which might include ringing the analog phones on the FXS ports).<BR>
<BR>
I did find AudioCodes MediaPack MP-114, which has exactly the configuration I want (2 FXO, 2 FXS), but have to be registered to get any documentation on the units. <BR>
<BR>
2 Grandstream HT-488's looks like a possibility too....<BR>
<BR>
I think I'll just run the phone lines into the server, and add more cards there.... :-)<BR>
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<FONT COLOR="#000000">The only way to know for sure whether the TDM card will provide </FONT>
<FONT COLOR="#000000">reasonable service is to try it on the actual pstn lines, just exactly </FONT>
<FONT COLOR="#000000">like the spa box. Same issues as the spa; some pstn lines work fine, </FONT>
<FONT COLOR="#000000">others have echo that nags users.</FONT>
<FONT COLOR="#000000">The Sangoma card with h/w echo canceler just plain works, but is </FONT>
<FONT COLOR="#000000">probably the more expensive of the alternatives.</FONT>
<FONT COLOR="#000000">The Mediatrix 1204 seems to have excellent echo characteristics, but it </FONT>
<FONT COLOR="#000000">is likely the most expensive approach for small systems.</FONT>
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