Hi,
I'm trying to send a SIP MESSAGE to a PJSIP endpoint, while specifying a
destination number (that is, the "user" portion of the request URI in
sip:u...@domain.com).
Currently, this is only possible by specifying the full request URI. For
example, someone could use:
> MessageSend(pjsip:endpoint/sip:1000@12.0.0.1)
to send a SIP MESSAGE to number 1000.
But to do this, one needs to know the contact associated to the
endpoint. This is a problem if the endpoint is dynamically registering
to Asterisk: the contact information may change over time.
When using the dialplan, there is a straightforward solution: using
PJSIP_DIAL_CONTACTS.
Things become tricky when using ARI or AMI. Retrieving the contact
information requires sending an AMI request each time a SIP MESSAGE has
to be sent... this can create a lot of overhead.
chan_sip used to solve this problem this way: when calling
MessageSend(sip:user@endpoint), "endpoint" was at first searched in the
endpoints list before being used as a FQDN or an IP address.
I understand this is more complex with PJSIP because there may be
multiple AOR/ contacts for a single endpoint...
Any ideas ?
Regards,
Jean
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