[OpenSER-Users] [OT] How to handle different DID's in incoming calls for a registered client?

[Juha Heinanen]

Iñaki Baz Castillo writes:

 > When anyone in PSTN world calls to +34999000222 the call will arrive to the 
 > OpenSer from a gateway in an INVITE like:
 > 
 >   INVITE sip:+34999000222 at gateway SIP/2.0
 >   To: <sip:+34999000222 at gateway>

why gateway in the host part?  isn't host more likely the ip or hostname
of your proxy?

 > The info about the called PSTN number is just available in "To"
 > header, so a
 > way to get different behaviour for each associated PSTN number is 
 > matching "To" URI.
 > Is common to do it? which other alternatives are there?

your proxy could add other headers to the invite, such as diversion or
history-info, if your sip ua knows to look for them.

-- juha