[SR-Users] [Kamailio-Users] Possible timing/latency related problem ?

Daniel-Constantin Mierla miconda at gmail.com
Sat Apr 10 13:26:47 CEST 2010



On 4/9/10 9:11 PM, Klaus Darilion wrote:
>
> Am 09.04.2010 20:29, schrieb Juha Heinanen:
>> Vikram Ragukumar writes:
>>
>> >  Why is the SDP connection parameter not being rewritten for the 180
>> >  Ringing message alone ?
>>
>> are you sure that you are calling a function, such as use_media_proxy()
>> or corresponding rtpproxy function, on the ringing reply?  does both
>> ringing and session progress contain a sdp body?
>>
>> >  How can i ensure the SIP messages are relayed in the order they are
>> >  received ?
>>
>> someone who is familiar with tm/core needs to reply to this one.  there
>> may not be any guarantee, because the replies are processed by different
>> processes.
>
> I think the only solution would be to use single processes: 
> children=1, tcp_children=1.
>
This is right. However, this is not only related to sip server itself, 
the messages can arrive in a different order when using UDP because of 
network. Handling it in server is not a complete solution. The phones 
should be able to deal with such cases.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla * http://www.asipto.com/ * 
http://twitter.com/miconda * 
http://www.linkedin.com/in/danielconstantinmierla




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