Maximum retries exceeded on transmission after 1.4.18

Strange issue for us. The last working release for us was 1.4.18. With every release after that, including all release candidates and final of 1.4.19 we have the following issue.

All incoming calls work but no phone can call out. When a phone attempts a call it’s silent for about 5-8 seconds and then a busy signal. In the asterisk console this then shows up (only when the busy signal starts):

[Apr 10 15:46:12] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)
[Apr 10 15:46:12] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)
[Apr 10 15:46:13] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)
[Apr 10 15:46:15] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)
[Apr 10 15:46:19] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)
[Apr 10 15:46:23] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)
[Apr 10 15:46:27] WARNING[29848]: chan_sip.c:1948 retrans_pkt: Maximum retries exceeded on transmission 56c531b0-be40484@192.168.10.100 for seqno 101 (Critical Response)

As soon as I roll back to 1.4.18 or any version before that, all is well.

Any thoughts?

I had this problem in reverse in the sense it happened to my asterisk-1.4.18. Now that my Fonera WiFi router is running with an asterisk-1.4.19, this problem seemed to disappear (at least for now). :wink: I suspect the problem has to do with some dial-plan contexts.

Do you mean dialplan on the phone or extensions.conf?

Here are the relevant sections in my extensions.conf:

exten => _XXXXXXXXXX,1,Dial(SIP/${EXTEN}@viatalk-2)
exten => _XXXXXXXXXXX,1,Dial(SIP/${EXTEN}@viatalk-2)
exten => _011X.,1,Dial(SIP/${EXTEN}@viatalk-2)

Anyone have thoughts to share?