A few days after writing my last post about problems after upgrading my ADSL router’s firmware I also noticed that my VoIP connections were not working properly. I have several SIP providers and after a day or so of using the new firmware the SIP registrations to my providers started failing. Initially I thought this was caused by my ISP as not all registrations seemed to be affected. I have not changed my Asterisk configuration in some time and did not associate the problem with the change in router firmware as everything else seemed to work fine.
The asterisk logging showed:
[Oct 15 02:12:04] NOTICE[3329] chan_sip.c: -- Registration for '....@xxxxxxxxxx.com' timed out, trying again (Attempt #5)
[Oct 15 02:12:24] NOTICE[3329] chan_sip.c: -- Registration for '....@xxxxxxxxxx.com' timed out, trying again (Attempt #6)
[Oct 15 02:12:44] NOTICE[3329] chan_sip.c: -- Registration for '....@xxxxxxxxxx.com' timed out, trying again (Attempt #7)
A router reboot fixes the problem but it does come back again. Rebooting a router on a daily basis is not something I really want to do or think should be necessary.
I’ve reported the problem to Draytek support so will see what they say. In the meantime I see they’ve posted a 3.3.4.1 version of the firmware so perhaps this is one of a few known problems. Let’s see if this latest version solves my problem.
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