[Serusers] How can we connect calls of two independent unknown SIP domains.

[Jiri Kuthan]

At 10:10 AM 10/6/2003, John Foster wrote:
>Hi, 
> 
>But Jan, i m bit surprised that y SIP Phone directly contacts other domain, no packet comes on the sip.abc.com, but to make a call from <mailto:xxxx at sip.abc.com>xxxx at sip.abc.com to <mailto:xxxx at sip.xyz.com>xxxx at sip.xyz.com SIP client(<mailto:xxxx at sip.abc.com>xxxx at sip.abc.com) directly contacts sip.xyz.com to get address of user <mailto:xxxx at sip.xyz.com>xxxx at sip.xyz.com, is this due to protocol design? or any abnormality?

There is no reason for a client to send an outoging request through its
proxy, unless it is forced to do so by some kind of "outbound proxy"
option. That's how SIP works.

> 
>As the logic of if(uri==myself)
>{}
>else{}
>would match only when packets will come to ser. Isnt it?

Indeed, uri==myself does not match packets which never hit SER.

-jiri