WARNING[2664] chan_sip.c

Hi,

PBX Firmware: 1.0.0.0
PBX Service Pack: 1.87.29.55-2
Asterisk CLI 2.10.0.1 FreePBX

Incoming calls are a problem. Sometimes it’s okay, sometimes has a problem.
Incoming call directed to IVR’a. Works nicely.

After a period of time (2-3 hours), gives an error.

Call does not open. Line continues to play.

[2013-01-31 14:48:40] WARNING[2664] chan_sip.c: Retransmission timeout reached on transmission [email protected]*********:5060 for seqno 102 (Critical Response) – See https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions
Packet timed out after 32000ms with no response
[2013-01-31 14:48:40] WARNING[2664] chan_sip.c: Hanging up call [email protected]*********:5060 - no reply to our critical packet (see https://wiki.asterisk.org/wiki/display/AST/SIP+Retransmissions).

please help me.

Check your NAT settings are correct for your setup and additionally you may need to forward ports from your firewall but is most times your NAT settings.

Thank you DungeonMaster3000