[SR-Users] About the subscribe/200-ok contact address on kamailio 3.3

[Daniel-Constantin Mierla]

Hello,

On 6/14/12 5:14 PM, Min Wang wrote:
> HI
>
> I have tried the kamailio 3.3,
>
>
> user 101(10.15.20.131) send subscribe to (10.15.20.137),
>
> kamailio return 200 OK, but with contact header as:
>
>      Contact: <sip:10.15.20.137:5060;transport=udp>.
>
>      is it correct?
>
> Since before subscription expired, the client will send the 
> re-subscribe using that contact address, is it right?
>
> Should kamailio return the contact as sip:101 at 10.15.20.137 in this case?

it is the contact of the presence server (used for routing to it), the 
matching of the proper presence dialog is done via call-id and from/to tags.

Cheers,
Daniel

>
>
> Thanks.
>
> min
>
>
>
> ///////////////////////////// pkt captured ////
>
> U 10.15.20.131:54740 -> 10.15.20.137:5060
> SUBSCRIBE sip:101 at 10.15.20.137 SIP/2.0.
> Via: SIP/2.0/UDP 
> 192.168.122.224:54740;branch=z9hG4bK-d8754z-87f9c58f1c70cbe2-1---d8754z-;rport.
> Max-Forwards: 70.
> Contact: <sip:101 at 10.15.20.131:54740>.
> To: <sip:101 at 10.15.20.137>.
> From: "101"<sip:101 at 10.15.20.137>;tag=4f7671df.
> Call-ID: MWRjNjU2NGNmMWE0Nzk3ODU2ZTZjZWViYmViYmQ1NmY.
> CSeq: 2 SUBSCRIBE.
> Expires: 60.
> Accept: application/watcherinfo+xml.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, 
> SUBSCRIBE, INFO.
> Proxy-Authorization: Digest 
> username="101",realm="10.15.20.137",nonce="T9n8u0/Z+4/OOU2Qeo4acn7OE+7pb5A1",uri="sip:101 at 10.15.20.137",response="93caab1f09daa88a1619bb0613b9a5ff",algorithm=MD5.
> Supported: eventlist.
> User-Agent: Bria 3 release 3.4.1 stamp 66953.
> Event: presence.winfo.
> Content-Length: 0.
> .
>
> #
> U 10.15.20.137:5060 -> 10.15.20.131:54740
> SIP/2.0 200 OK.
> Via: SIP/2.0/UDP 
> 192.168.122.224:54740;branch=z9hG4bK-d8754z-87f9c58f1c70cbe2-1---d8754z-;rport=54740;received=10.15.20.131.
> To: <sip:101 at 10.15.20.137>;tag=a6a1c5f60faecf035a1ae5b6e96e979a-21e3.
> From: "101"<sip:101 at 10.15.20.137>;tag=4f7671df.
> Call-ID: MWRjNjU2NGNmMWE0Nzk3ODU2ZTZjZWViYmViYmQ1NmY.
> CSeq: 2 SUBSCRIBE.
> Expires: 60.
> Contact: <sip:10.15.20.137:5060;transport=udp>.
> Server: kamailio (3.3.0-rc0 (x86_64/linux)).
> Content-Length: 0.
> .
>
> ....
>
> U 10.15.20.131:54740 -> 10.15.20.137:5060
> SUBSCRIBE sip:10.15.20.137:5060;transport=udp SIP/2.0.
> Via: SIP/2.0/UDP 
> 192.168.122.224:54740;branch=z9hG4bK-d8754z-59fd0765744f37a3-1---d8754z-;rport.
> Max-Forwards: 70.
> Contact: <sip:101 at 10.15.20.131:54740>.
> To: <sip:101 at 10.15.20.137>;tag=a6a1c5f60faecf035a1ae5b6e96e979a-21e3.
> From: "101"<sip:101 at 10.15.20.137>;tag=4f7671df.
> Call-ID: MWRjNjU2NGNmMWE0Nzk3ODU2ZTZjZWViYmViYmQ1NmY.
> CSeq: 8 SUBSCRIBE.
> Expires: 60.
> Accept: application/watcherinfo+xml.
> Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, 
> SUBSCRIBE, INFO.
> Proxy-Authorization: Digest 
> username="101",realm="10.15.20.137",nonce="T9n8u0/Z+4/OOU2Qeo4acn7OE+7pb5A1",uri="sip:10.15.20.137:5060;transport=udp",response="f9ef9d95891bbe5722bb47fbe93b20e9",algorithm=MD5.
> Supported: eventlist.
> User-Agent: Bria 3 release 3.4.1 stamp 66953.
> Event: presence.winfo.
> Content-Length: 0.
>
>
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda
Kamailio Advanced Training, Seattle, USA, Sep 23-26, 2012 - http://asipto.com/u/katu
Kamailio Practical Workshop, Netherlands, Sep 10-12, 2012 - http://asipto.com/u/kpw