El Monday 30 June 2008 03:16:30 Stagg Shelton escribió:
> Also, the other reason why I want to do this is because I have many
> hundreds of DIDs that are assigned to many asterisk PBX's. I am
> thinking that having asterisk register to OpenSER and then have the
> DIDs as aliases to the registration credentials would be easy because
> it's all contained in the database.
Asterisk allows just one registration to a server. If you have two incoming
DID's then it's better if your Asterisk matches the "To" header.
In fact, I don't like using the "To" header for this purpose since it can be
different if it comes from a SIP already diverted call (so "To" is no one of
your DID's but the original destination has forwarded the call to some of
your DID's).
What I do is the following:
- When my OpenSer receives an incoming call from PSTN I convert the RURI to
E164 format:
RURI:
0034999000111 -> E164 = +34999000111
999000111 -> E164 = +34999000111
- Then I add a header to the INVITE:
append_hf("X-E164-Called: $rU");
- Then I do the db_aliases to get the AoR of the local user associated to that
E164 number.
RURI:
+34999000111 -> sip:[EMAIL PROTECTED]
- And later a lookup in 'locaiton' table to get the real location of the
registered user.
RURI:
sip:[EMAIL PROTECTED] -> sip:[EMAIL PROTECTED]
- After that I just do the "t_relay" to send the INVITE.
- When it arrives to Asterisk it must check the header "X-E164-Called" to know
which DID was called.
Regards.
--
Iñaki Baz Castillo
[EMAIL PROTECTED]
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