/mcpParameters index Index in the list of available local network addresses returned by EpLocalAddressGetAll function call. Return Value If no error occurs, this function returns pointer to RTPADDR structure which contains local IP address and reserved UDP port number. If an error occurs, NULL is returned, and a specific error code can be retrieved by calling EpApiGetLastError. Description Error code EpAPI is not initialized. EP_ERR_INIT Invalid index value. EP_ERR_PARAM_INVALID No UDP port available. RTP_ERR_PORT_NOTAVAIL Remarks List of available local network addresses can be obtained by EpLocalAddressGetAll function call. EpLocalAddrPortFree Returns local UDP port previously reserved by EpLocalAddressGet, EpLocalAddressGetByIdx or EpLocalAddressGetByFamily back to the port pool. Syntax CMAPI bool EpLocalAddrPortFree ( PRTPADDR pLocalAddrPort ); Parameters pLocalAddrPort Pointer to RTPADDR data structure which contains port number of previously reserved local UDP port. Return Value If no error occurs, this function returns true. If an error occurs, false is returned, and a specific error code can be retrieved by calling EpApiGetLastError. Description Error code EpAPI is not initialized. EP_ERR_INIT Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 431 Cisco TSP Media Driver EpLocalAddrPortFree