ISDN Software and the NCC API

If the NaturalAccess NaturalCallControl API (NCC API) is active, and a protocol was started on a line using nccStartProtocol, call control proceeds as described in the Dialogic® NaturalAccess™ NaturalCallControl™ API Developer’s Manual. This section outlines NCC API call control from an ISDN Software point of view. It contains:

Call control operations supported by ISDN Software

ISDN Software supports the following call control operations:

Operation

Supported?

Receiving inbound calls

Yes, for all variants

Placing outbound calls

Yes, for all variants

Releasing calls

Yes, for all variants

Call blocking

Yes, for all variants

Call transfer

Yes, for 4ESS, NI2, DMS, ETSI, Q.SIG, and DPNSS variants only

Call hold/retrieve

Yes, for ETSI, Q.SIG, and DPNSS variants only