4.1. Call Control Configuration

When starting Global Call, certain configuration parameters such as, the maximum number of IPT devices available, the local IP address, and the call signaling port are configurable using an IPCCLIB_START_DATA structure associated with the gc_Start( ) function. The default maximum number of IPT devices is 120, but it is configurable up to a maximum of 2016 depending on the values of other configuration parameters.

Note: When using an Intel® NetStructure IPT board, the IPCCLIB_START_DATA structure must be used to take advantage of the higher numbers of IPT devices available on the board (up to 672).

To change the default values, create a structure of type IPCCLIB_START_DATA, populate it with new desired configuration values, and use it with the gc_Start( ) function. See Section 7.2, IPCCLIB_START_DATA for more information about the data structure and see Section 3.4.19, gc_Start( ) for a code example that shows how to populate the IPCCLIB_START_DATA structure.

Notes:

1. In the IPCCLIB_START_DATA structure, the maximum value of the num_boards field, which defines the number of NICs or NIC addresses, is 8.
2. When using the SIP protocol, multiple IPT boards are not currently supported.

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