Capability mask

SIP supports the nccQueryCapability function call. The capability mask indicates support of the following capabilities:

Refer to the NCC Service Developer's Reference Manual for information about the first five mnemonic capabilities in the previous list. The SIP-specific mnemonic capabilities are described in the following table:

Mnemonic

If the bit is set...

NCC_CAP_REGISTER_USER

The SIP stack is capable of registering a user with a SIP registrar. For more information, refer to Registering a user.

NCC_CAP_ACKNOWLEDGE_CALL

The NCC API call nccAcknowledgeCall is enabled. For more information, refer to Acknowledging a call.