[asterisk-users] Asterisk Manager gives event PeerStatus: Unregistered Cause: Expired

[Joshua C. Colp]

On Thu, Jul 1, 2021 at 3:15 PM Jonas Kellens <jonas.kellens at telenet.be>
wrote:

> Hello Joshua
>
> this is the SIP REGISTER at 11:10:45
>
> REGISTER sip:tstv7.domain.tld SIP/2.0
> Via: SIP/2.0/UDP 192.168.1.18:5060
> ;branch=z9hG4bKcfd4c09d669ce595351ea3b2aba3e245;rport
> From: <sip:testacc7700105 at tstv7.domain.tld>
> <sip:testacc7700105 at tstv7.domain.tld>;tag=3630891428
> To: <sip:testacc7700105 at tstv7.domain.tld>
> <sip:testacc7700105 at tstv7.domain.tld>
> Call-ID: 3270725701 at 192_168_1_18
> CSeq: 452 REGISTER
> Contact: <sip:testacc7700105 at 192.168.1.18:5060>
> <sip:testacc7700105 at 192.168.1.18:5060>
> Authorization: Digest username="testacc7700105", realm="tstv7.domain.tld",
> algorithm=MD5, uri="sip:tstv7.domain.tld", nonce="42a70292",
> response="e2945dacd2d95b47a4801b2471070702"
> Max-Forwards: 70
> User-Agent: C610 IP/42.075.00.000.000
> Expires: 180
> Allow: INVITE, ACK, CANCEL, BYE, OPTIONS, INFO, REFER, SUBSCRIBE, NOTIFY
> Content-Length: 0
>
> I see here "180".
>
>
> I also see in the SIP debug traffic that a SIP REGISTER occurs every 180
> seconds, which is what is set in the SIP client.
>
>
> This "Expired" notice occured only once at 11:20:55. How come this happens
> only once ?
>
> And why should there *ever* be an "Expired" if there is a SIP REGISTER
> every 180 seconds ?!
>

If what you are saying is correct, then I do not know. The chan_sip module
decided that it should be expired. Why that is, I do not know.

-- 
Joshua C. Colp
Asterisk Technical Lead
Sangoma Technologies
Check us out at www.sangoma.com and www.asterisk.org
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