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 Posted: Thu May 08, 2008 1:06 pm Post subject: [asterisk-users] chan_sip Maximum retries exceeded on transm |
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I have a situation here where a user has an AAstra 480i phone, which
function corectly. The phone is behing a nat-router (a linksys wrv200 for
it's VPN point to point facility). The phone is plugued in a port wich has
qos enabled.
And when the user places a call, sometimes (not always), we get this in the
console :
[May 8 13:41:55] WARNING[5804]: chan_sip.c:1948 retrans_pkt: Maximum
retries exceeded on transmission
4d44e080d246b7d93d4cd7e2ec50ef64 at 66.131.168.221 for seqno 1867350652
(Critical Response)
[May 8 13:41:55] WARNING[5804]: chan_sip.c:1972 retrans_pkt: Hanging up
call 4d44e080d246b7d93d4cd7e2ec50ef64 at 66.131.168.221 - no reply to our
critical packet.
And then, the call stops.
I did enabled sip debug for that peer, and I saw that a packet was sent to
the phone, and the phone did reply (I see it in the debug).
In sip.conf, for that peer, I have nat=yes.
Any ideas ? |
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