6.7. IPSET_EXTENSIONEVT_MSK

This parameter set is used to enable or disable the events associated with unsolicited notification such as the detection of DTMF or a change of connection state in an underlying protocol. Table 20 shows the parameter IDs in the IPSET_EXTENSIONEVT_MSK parameter set.

Table 19. IPSET_EXTENSIONEVT_MSK Parameter Set

Parameter IDs	Type	Description
GCPARM_GET_MSK	int	Retrieve the bitmask of enabled events.
GCACT_SETMSK	int	Set the bitmask of enabled events.
GCACT_ADDMSK	int	Add to the bitmask of enabled events.
GCACT_SUBMSK	int	Remove from the bitmask of enabled events.
Values that can be used to make up the bitmask are: EXTENSIONEVT_DTMF_RFC2833 (0x02) EXTENSIONEVT_DTMF_ALPHANUMERIC (0x04) † EXTENSIONEVT_SIGNALING_STATUS (0x08) EXTENSIONEVT_STREAMING_STATUS (0x10) EXTENSIONEVT_T38_STATUS (0x20)
See Table 12, Summary of Parameter IDs and Set IDs for H.323 and SIP applicability. † Not supported for SIP.

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