[Asterisk-Dev] Registration of SIP accounts does not work well with dialup

[North Antara]

Hans Petter Selasky wrote:

>Hi,
>
>Registration of SIP accounts does not work very well with dialup. If I start 
>Asterisk before I dial my ISP, I get the following errors, and a few others:
>
>
>Dec 17 20:46:46 NOTICE[720]: chan_sip.c:4074 sip_reg_timeout:    
>-- Registration for 'xxxxx.net' timed out, trying again
>
>
>Dec 17 20:46:53 WARNING[720]: chan_sip.c:697 retrans_pkt: Maximum retries 
>exceeded on call xxxxx for seqno 104 (Critical Request)
>
>
>I have tried "sip reload" without luck. I think that there is some missing 
>code in Asterisk, to re-scan all network devices before trying the 
>registration again. Looking at the code in "chan_sip.c". I see that some 
>socket file handle is equal to "-1", so that Asterisk cannot send the UDP 
>frames out, that contains the REGISTER message.
>
>--HPS
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I believe a 'dnsmgr reload' will clear the DNS cache, and try to lookup 
new addresses for them.