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| Call Conference/Transfer |
Question:
Do digital phone lines (ISDN or T1/E1)
support TAPI3 Call
Conference
and/or Call
Transfer?
I know Three-Way Conferencing is supported
by some phone companies using special
key phones and ISDN lines but don't
know if TAPI3 can do the same thing.
Please help. I want to buy a
digital Telephony Card but not if
it won't do what I want.
Answer:
The question
is does the TAPI service provider
(TSP) you are using support conferencing
and/or transfer. TAPI certainly
does but requires support from the
TSP. Best I can suggest is check
the TSP's documentation, talk to their
support or use the TAPI browser and
see if the dwCallFeatures (returned
as part of the LINECALLSTATUS returned
with lineGetCallStatus()) contain
the option enabled and if you can
call
the relevant APIs (lineSetupTransfer,
lineCompleteTransfer, etc.)
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