[Fwd: Re: [Serusers] no SRV query after rewriting R-URI?]

[Klaus Darilion]

I've forgot to cc the list.

klaus

--------------------------------------------------------------------------

Hi Alan!

That's the correct behaviour. Please read RFC 3263. If the URI contains a
port, e.g. inside.acme.com:5060 there must not be an SRV lookup. Because
the SRV lookup leads to a port, which is already defined.

regards
klaus

On Tue, January 31, 2006 20:28, alan chiu said:
> Server: Sip EXpress router (0.8.12 (i86pc/solaris))
>
> when endpoint sends 18005551212 at sip.acme.com, SER
> (without rewriting of R-URI, looks it up with SRV
> ***************
>
> 386.656875 192.168.1.246 -> 10.100.0.111 SIP/SDP
> Request: INVITE sip:18005551212 at sip.acme.com, with
> session description
> 386.657307 10.100.0.111 -> 192.168.1.246 SIP Status:
> 100 trying -- your call is important to us
>  88.811658 10.100.0.111 -> 192.168.1.11 DNS Standard
> query SRV _sip._udp.sip.acme.com
>  98.825208 192.168.1.11 -> 10.100.0.111 DNS Standard
> query response, No such name
>  98.825496 10.100.0.111 -> 192.168.1.11 DNS Standard
> query A sip.acme.com
> 108.845136 192.168.1.11 -> 10.100.0.111 DNS Standard
> query response, No such name
> 108.845468 10.100.0.111 -> 192.168.1.11 DNS Standard
> query AAAA sip.acme.com
> 118.865215 192.168.1.11 -> 10.100.0.111 DNS Standard
> query response, No such name
> 416.711408 10.100.0.111 -> 192.168.1.246 SIP Status:
> 478 Unresolveable destination (478/TM)
> 407.921364 192.168.1.246 -> 10.100.0.111 SIP Request:
> ACK sip:18005551212 at sip.acme.com
>
> ***********************************************************************************
>
>
> *************
> after rewritehostport("inside.acme.com:5060"), SER
> only does an A lookup
> ***************
>
> 424.851557 192.168.1.246 -> 10.100.0.111 SIP/SDP
> Request: INVITE sip:18005551212 at nat.foo.com, with
> session descripti
> on
> 415.971953 10.100.0.111 -> 192.168.1.246 SIP Status:
> 100 trying -- your call is important to us
> 127.006508 10.100.0.111 -> 192.168.1.11 DNS Standard
> query A inside.foo.com
> 127.007557 192.168.1.11 -> 10.100.0.111 DNS Standard
> query response A 192.168.1.211
> 424.853464 10.100.0.111 -> 192.168.1.211 SIP/SDP
> Request: INVITE sip:18005551212 at inside.foo.com:5060,
> with session descriptio
> n
> 415.973466 10.100.0.111 -> 192.168.1.211 SIP/SDP
> Request: INVITE sip:18005551212 at inside.foo.com:5060,
> with session descriptio
> n
>
> ******************************************************************
>
> How can I get SER to consistently do SRV lookup after
> rewriting of R-URI?
>
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