Re: Checking if outgoing call was answered

Stephan Steiner <[email protected]>
Newsgroups gmane.comp.java.sun.jtapi
Message-ID <LISTSERV%[email protected]>
I have one Cisco Router with a PRI working in H.323 mode, and an Alcatel
4400 as H.323 gateway to our internal telephony system. While they act quite
differently in terms of events I get, I always get the proper
CallCtlConnEstablishedEv when the call is answered. I might get others
depending of it it's an internal or external call (I get two for every
internal call.. one when the phone I'm calling is reached, and another one
when the call is answered.. I differentiate by looking at the source of the
event.. if it comes from the remote phone it means phone reached, when it
comes from the phone I?m calling from it means the call has been picked up).

I tried calling internal Cisco phones, internal Alcatel phones, my primary
phone via PRI, my cellphone and a cellphone that on another cell operator.
What I noted is that the events signalling the RTP start are sent prior to
call establishment when I'm calling outside, and only after the call has
been picked up when I call internal Cisco terminals. But I consistently get
the CallCtlConnEstablishedEv.

Does your company have a developer support contract with Cisco? I guess that
one's gonna cost you one case (could just be another case of randomness in
the JTAPI.. some times when I start my application 10 times over it suddenly
starts working again when something hasn't been working the last 9 times)

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