[Freeswitch-users] TOO Frequent SIP Registration

[Sean Devoy]

Thank you Michael.  I did not see this as an issue of why are the be deregistered, just that they were re-registering unnecessarily.

You are clearly onto something, these registrations all say “fs_nat=yes” after their IP addresses in “show registrations”.

I will check SIP traffic and check ALG on the router.  And of course this explains why it is only one site!

From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of Michael Jerris
Sent: Wednesday, June 10, 2015 1:41 PM
To: FreeSWITCH Users Help
Subject: Re: [Freeswitch-users] TOO Frequent SIP Registration

Likely relates to us detecting them as nat.  Take a look at the registrations, do they say NAT?  To confirm why you would look at the sip trace to see whats going on with the registration, my guess would be sip ALG on the client side messing up the traffic.

On Jun 10, 2015, at 1:30 PM, Sean Devoy <sdevoy at bizfocused.com<mailto:sdevoy at bizfocused.com>> wrote:

Hi everyone,

Forgive my lack of knowledge here.  I have a multi-tenant server setup and oddly everything is working correctly!  Working correctly isn’t odd, writing when everything is ok is odd.

For one of my domains, all of the phones re-register about every 30 seconds.  The log is filled with messages like:
sofia_reg.c:1532 SIP auth challenge (REGISTER) on sofia profile 'external' for [43@<snip>]

On the phones I changed the “Reg Min Expires” to 300 and they disappeared from registration!!
Also, the phones are registered, I can call them and their status web page says next registration is xx (30 or less) seconds.

So …
How often show registered phones re-register?
How/Where do I set it?
Why only one of my domains?  (This domain may be the only one to get the latest firmware in the phones).

For extra points does this relate to NAT Keepalive at all?

I did google this but the only registration expiration info I can find is on gateways, not phones.


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