after registering the phones correctly and receiving a "200 o.k." message i can connect to other registered softphones and pstn endpoints [ via an voicepulse account ], but after making the initial connection, i can't hear any sound and i get disconnected after getting the following error message:
chan_sip.c:497 retrans_pkt: Maximum retries exceeded on call [EMAIL PROTECTED] for seqno 41270
prompted by a recent email to the group [1] about setting the bindaddr, i took a closer look at the sip messages being sent back and forth and noticed that the contact header was incorrectly set to 127.0.0.1 in the 200 o.k. message [2]. once i set the bindaddr to the * machine's public ip address everything worked fine and and contact header i.p. address was set correctly.
what's odd, at least to me, is that unlike the recent email about a similar issue [1], my * box is on a non-natted, public ip address so i would have thought that keeping the default bindaddr (0.0.0.0) would have worked, but obviously it didn't.
not sure how to interpret the dirth of responses, perhaps this was frighteningly obvious to everyone else.
[1] http://lists.digium.com/pipermail/asterisk-users/2004-June/051375.html
[2]
RECEIVE TIME: 7548279
RECEIVE << my.public.asterisk.ip:5060
SIP/2.0 200 OK
Via: SIP/2.0/UDP my.wan.ip:5060;rport;branch=z9hG4bKFE76D502C2BF11D8A741000D93C22AF4;received=my.wan.ip;rport=1029
From: snowdeal <sip:[EMAIL PROTECTED]>;tag=1666554831
To: snowdeal <sip:[EMAIL PROTECTED]>;tag=as7f7ed33f
Call-ID: [EMAIL PROTECTED]
CSeq: 43970 REGISTER
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Expires: 1800
Contact: <sip:[EMAIL PROTECTED]>;expires=1800
Date: Sun, 20 Jun 2004 13:44:34 GMT
Content-Length: 0
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