PJSIP timers_min_se

Hello Guys, I have a question:

I receive register from ip phone with timer of register with “Expires: 90”

My pjsip.conf have:

But the asterisk response 200-OK with 90

Expires: 90

The asterisk dont should change Expires to 500 ?

That option controls session timers. Are you referring to a SIP REGISTER expiration?

I need decrease traffic in my server, I have 6000 endpoints and many times the PJSIP stop to response .

The load of server its ok, the CPU keep between 30 - 50%

I used Asterisk 18.4.0 and I have others problems with crash, the last week I open issue in jira with all logs and backtraces.

Now I used 16.8-cert im my servers and the crashs decrease.

About this ticket I put minimum_expiration and the asterisk answered correctly , I will make a tests for try solve the problem about “pjsip stop to work response”.

I think if I decrease traffic in PJSIP would work.

2021/05/14 12:14:29.624206 →
SIP/2.0 200 OK
Via: SIP/2.0/UDP;rport=60997;received=;branch=z9hG4bKPjm5-huNTfck5ID16kT6D6Ojk7y87xUkDl
Call-ID: wxlJkDvpN-Xru5urkaxzFq1RI0uOQV5R
From: “9301” sip:9301@;tag=5h1N-g4AYHi7LTjUveQsY.28h-hryn9w
To: “9301” sip:9301@;tag=z9hG4bKPjm5-huNTfck5ID16kT6D6Ojk7y87xUkDl
CSeq: 34782 REGISTER
Date: Fri, 14 May 2021 15:14:29 GMT
Contact: sip:9301@;ob;expires=499
Expires: 500 <------- CORRECT RESPONSE
Server: asterisk
Content-Length: 0

When I put “minimum_expiration” in AOR work timer

cert versions aren’t supported here. Why not use 16.18.0?

I used, but we have many crash.

Normally I use the last version 18.4. but I have crash all day, I opened Issue in Jira and I waiting solve.

I will try version 17

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