30 maj 2013 kl. 11:38 skrev Khoa Pham <[email protected]>:

> When I make REGISTER request to server Kamailio. Kamailio sometimes return me 
> REGISTER 200 OK response with many Contacts in Contact header field
> 
> Contact: 
> <sip:[email protected]:58492;transport=TLS;ob>;expires=29;received="sip:1.1.1.1:58492;transport=TLS",
>  
> <sip:[email protected]:58520;transport=TLS;ob>;expires=244, 
> <sip:[email protected]:58529;transport=TLS;ob>;expires=284;received="sip:1.1.1.1:58529;transport=TLS",
>  
> <sip:[email protected]:58548;transport=TLS;ob>;expires=329, 
> <sip:[email protected]:58562;transport=TLS;ob>;expires=393, 
> <sip:[email protected]:58571;transport=TLS;ob>;expires=483;received="sip:1.1.1.1:58571;transport=TLS",
>  
> <sip:[email protected]:58588;transport=TLS;ob>;expires=538, 
> <sip:[email protected]:58600;transport=TLS;ob>;expires=587;received="sip:1.1.1.1:58600;transport=TLS",
>  
> <sip:[email protected]:58611;transport=TLS;ob>;expires=630, 
> <sip:[email protected]:58624;transport=TLS;ob>;expires=670;received="sip:1.1.1.1:58624;transport=TLS",
>  
> <sip:[email protected]:58632;transport=TLS;ob>;expires=706, 
> <sip:[email protected]:58650;transport=TLS;ob>;expires=826;received="sip:1.1.1.1:58650;transport=TLS",
>  
> <sip:[email protected]:58661;transport=TLS;ob>;expires=900;+sip.instance="<urn:uuid:00000000-0000-0000-0000-00007dtrf0a4c>";reg-id=1
> 
> Why is that ?


The SIP standard says that the response should include ALL current 
registrations. These are registrations that has not expired yet.

/O


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