[asterisk-users] delivery verification of instant messages with pjsip
hw at gc-24.de
Thu Jan 30 07:34:32 CST 2020
when sending IMs from endpoint to endpoint with the MessageSend() application,
I can check the MESSAGE_SEND_STATUS and send another message to the sender of
the message to notify them that their message was not sent when the status
This works fine with chan_sip. With chan_pjsip, this works differently in
that MESSAGE_SEND_STATUS is "SUCCESS" after sending the message, and only
later asterisk figures out that it is "Unable to retrieve contact for endpoint
<xxx>" when there are no contacts and thus the message never gets delivered.
How can I check if the endpoint has contacts --- or preferably --- if the
message was actually delivered to an endpoint? It would be sufficient to get
it to work with endpoints that are not supposed to have more than one contact.
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