McDewey

list for which the application already has handles remains unchanged. Prior to calling lineGetConfRelatedCalls, the application should set the dwTotalSize member of this structure to indicate the amount of memory that is available to TAPI for returning information. Return Values Returns zero if request succeeds or a negative number if an error occurs. Possible return values follow: • LINEERR_INVALCALLHANDLE • LINEERR_OPERATIONFAILED • LINEERR_NOCONFERENCE • LINEERR_RESOURCEUNAVAIL • LINEERR_INVALPOINTER • LINEERR_STRUCTURETOOSMALL • LINEERR_NOMEM • LINEERR_UNINITIALIZED lineGetDevCaps The lineGetDevCaps function queries a specified line device to determine its telephony capabilities. The returned information applies for all addresses on the line device. Function Details LONG lineGetDevCaps( HLINEAPP hLineApp, DWORD dwDeviceID, DWORD dwAPIVersion, DWORD dwExtVersion, LPLINEDEVCAPS lpLineDevCaps ); Parameters hLineApp The handle by which the application is registered with TAPI. dwDeviceID The line device to be queried. dwAPIVersion The version number, obtained by lineNegotiateAPIVersion, of the API to be used. The high-order word contains the major version number; the low-order word contains the minor version number. dwExtVersion The version number, obtained by lineNegotiateExtVersion, of the extensions to be used. It can be zero if no device-specific extensions are to be used. Otherwise, the high-order word contains the major version number; the low-order word contains the minor version number. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 165 Basic TAPI Implementation lineGetDevCaps