[SR-Users] Kamailio 4.4.1 REGISTER Parse Error in PCSCF

Mihail Dakov mihail.dakov at ng4t.com
Mon May 30 15:40:03 CEST 2016


Btw I am running this on Ubuntu 14.04 if that matters.

On 05/30/2016 03:35 PM, Mihail Dakov wrote:
> Hi Folks,
> 
> I have the strangest problem just after installing latest stable
> version. I had tried both ways using the repo
> (http://deb.kamailio.org/kamailio44) and downloading code with local
> compile (https://www.kamailio.org/w/2016/05/kamailio-v4-4-1-released/)
> 
> The initial scenario is to get M2M with commercial IP and subsequently
> use the Rx interface to do the same. We are blocked because we cannot
> even achieve clean register for the UEs.
> 
> UE1(galaxy s4 zoiper) -------- Kamailio IMS aio
>                                |
> UE2(galaxy s4 zoiper) -------- |
> 
> 
> What happens is that the first register message triggers some
> quasi-endless loop in the PCSCF. Hence it cannot be forwarded to SCSCF,
> ICSCF and HSS. But this doesn't always happen and between all the parse
> problems there are some register messages which get passed to the scscf
> icscf and hss. Somehow the parser feeds itself from the previous parse
> run and thus loops quite intensively. The message I get is SIP/2.0 400
> CSeq method does not match request method.
> I must say that reiterating the registration process sometimes i get the
> register and sometimes i don't.
> 
> Has anyone encounter similar issue for similar use case and can share
> some thoughs about a fix?
> 
> I attached relevant log file, pcaps and configuration files. Let me know
> if more config files are needed.
> 
> 
> 
> 
> 
> 
> 
> 
> 
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