[Freeswitch-users] TOO Frequent SIP Registration

[Michael Jerris]

Every time I have ever looked at an edited sip trace, the real problem has
been obscured by the edits, so I don't bother looking at them anymore .
Check out the sip trace and debug and your config to see why it's detecting
nat

On Wednesday, June 10, 2015, Sean Devoy <sdevoy at bizfocused.com> wrote:

>  The SIP trace shows an oddity.  The request has expires=3600, but the
> response from FS says expires=30.  This is happening on ALL devices that
> have the latest CISCO firmware.  Can you see anything wrong with the
> registration request:
>
>
>
>    ------------------------------------------------------------------------
>
> recv 767 bytes from udp/[69.137.35.208]:1024 at 18:59:53.382917:
>
>    ------------------------------------------------------------------------
>
>    REGISTER sip: [my domain name]  SIP/2.0
>
>    Via: SIP/2.0/UDP 69.137.35.208:1024;branch=z9hG4bK-b2eec5e;rport
>
>    From: "Ann-Marie" <sip:11@[my domain name]>;tag=86dec25c650ffef4o0
>
>    To: "Ann-Marie" <sip:11@[my domain name]>
>
>    Call-ID: d1a1e2df-34f61b38 at 192.168.2.11
> <javascript:_e(%7B%7D,'cvml','d1a1e2df-34f61b38 at 192.168.2.11');>
>
>    CSeq: 10545 REGISTER
>
>    Max-Forwards: 70
>
>    Authorization: Digest username="11",realm="[my domain
> name]",nonce="6d8f48f6-0d40-4f18-8a87-4b961f7b7881",uri="sip: [my domain
> name]",algorithm=MD5,response="c73d90489df58e17dad9a9d3b1b06865",qop=auth,nc=00000010,cnonce="4c9c7235"
>
>    Contact: "Ann-Marie" <sip:11 at 69.137.35.208:1024>;expires=3600
>
>    User-Agent: Cisco/SPA504G-7.5.5
>
>    Content-Length: 0
>
>    Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER, UPDATE
>
>    Supported: replaces
>
>
>
>    ------------------------------------------------------------------------
>
> send 614 bytes to udp/[69.137.35.208]:1024 at 18:59:53.386375:
>
>   ------------------------------------------------------------------------
>
>    SIP/2.0 200 OK
>
>    Via: SIP/2.0/UDP 69.137.35.208:1024;branch=z9hG4bK-b2eec5e;rport=1024
>
>    From: "Ann-Marie" <sip:11@[my domain name]>;tag=86dec25c650ffef4o0
>
>    To: "Ann-Marie" <sip:11@[my domain name]>;tag=tpUU52gppFZrj
>
>    Call-ID: d1a1e2df-34f61b38 at 192.168.2.11
> <javascript:_e(%7B%7D,'cvml','d1a1e2df-34f61b38 at 192.168.2.11');>
>
>    CSeq: 10545 REGISTER
>
>    Contact: <sip:11 at 69.137.35.208:1024>;expires=30
>
>    Date: Wed, 10 Jun 2015 18:59:53 GMT
>
>    User-Agent:
> FreeSWITCH-mod_sofia/1.2.22+git~20140309T212137Z~65fed130e5~64bit
>
>    Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE,
> REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
>
>    Supported: path, replaces
>
>    Content-Length: 0
>
>
>
>
>
> *From:* freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','freeswitch-users-bounces at lists.freeswitch.org');>
> [mailto:freeswitch-users-bounces at lists.freeswitch.org
> <javascript:_e(%7B%7D,'cvml','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
> <javascript:_e(%7B%7D,'cvml','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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