15 Nov
2005
15 Nov
'05
1:06 p.m.
Hi Günther,
if you do serial forking by using cpl, is quite difficult to set and add
any specific header to advertised the party to be billed - and this is
due the encapsulation of the cpl interpreter : once you started, you
have your hands off the execution and you cannot control it or attach
additional stuff to it.
indeed, a small possibility is by setting a script route to be executed
just before cpl forwards a request:
http://www.openser.org/docs/modules/1.1.x/cpl-c.html#AEN111
it will help you to make last changes on the request - adding headers,
etc. But the remaining problem is to actually set the URI to be billed
during cpl execution. Each time the cpl does a serial fork, it will have
to update that URI...I thing this is the missing piece.
If you use only scripting, you have full flexibility :).
regards,
bogdan
Günther Starnberger wrote:
hello,
what is the usual method to use the cpl module when a pstn gateway
needs to know which user is responsible a call?
e.g. i have a pstn gateway pstn.example. numbers are dialed by
specifying them as user part of a sip uri => 00321234(a)pstn.example. as
the gateway is an asterisk box i'm rather flexible in choosing a
method which specifies how the name of the remote-user is transfered
to the gateway.
if a user does a forward to the pstn (e.g. in the case of no-answer)
he should also be accounted for the call - so i either need to set the
'From' header to the owner of the cpl script or i need to add another
header like 'X-account' which specifies the owner.
a solution for this seems to be to store the name of the callee in an
AVP before executing the script and to set the From field in
proxy_route after the script has started.
are there better or more-standard solutions for this problem?
bye,
/gst
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