Patrick,
You don't want to alter the To header. Extract the extension from the
R-URI and save it into an AVP (or var if >= 1.2) , then do a lookup with
the resulting R-RUI (user-part without extension), and if it's
successful, replace the user-part with the extension saved in the AVP/var.
Cheers,
Andreas
Patrick Miccio wrote:
Hello everybody,
since this is my first post and I am kinda new to OpenSER, bare with
me ;)
I have been trying to manipulate invites for the last 2 days and cant
find the proper way to reach what is expected.
my goal:
send invites to specific PBX (Asterisk for example) with only the
desired extension and not the full username, this is based on a
avp_check if that UAC needs only extensions, some do, some don't ;)
Here is what I do:
First off all I extract the real username (in subscribers) and
extension from the R-URI and place it in "$avp(callee_user)" and
"$avp(callee_exten)"
#############
my solution No1 is "working"
avp_pushto("$ru/username", "$avp(callee_user)");
avp_copy("$avp(callee_exten)","$avp(callee_tmp)/gd");
if( subst('/^To:(.*)sip:[EMAIL
PROTECTED](@[a-zA-Z0-9.]+.*)$/To:\1sip:$avp(callee_tmp)\2/ig') ){};
-> callee_user is 012345678
-> callee_exten is 200
-> $ru is sip:[EMAIL PROTECTED];user=phone
-> subst [ To: <sip:[EMAIL PROTECTED];user=phone> ]
with [To: <sip:[EMAIL PROTECTED];user=phone> ]
Those 3 lines work "fine", the testing Asterisk PBX gets the call
correctly. The problem is that I should not change the "To:" part, it
will make problems with call forwards etc...
#############
my solution No.2 NOT working.
if (subst_uri('/^sip:([0-9]+)@(.*)$/sip:$avp(callee_tmp)@\2;/i')){$};
doesn't work because OpenSER of course cant find 200 in the userloc....
#############
Generally I would think that changing the INVITE uri itself like in
solution No.2 is the best way, couldn't find any proper way to make that
work though.
Does anyone have an idea how to realize this properly, or even if this
makes sense ;) ?
thx in advance,
Patrick.
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