McDewey

• dwParam1 -message type At extension version 4.0 (0x00040000), stop reception uses the following format: • hCall – The call for which the Stop Reception event applies. • dwParam1 – Message type Existing Call Events SLDST_LINE_EXISTING_CALL These events inform the application of existing calls in the PBX when it starts up. The format of the parameters follows: • dwParam1 – Message type • dwParam2 – Call object • dwParam3 – TAPI call handle Open Logical Channel Events SLDSMT_OPEN_LOGICAL_CHANNEL When a call has media established at a CTI Port or Route Point that is registered for Dynamic Port Registration, receipt of this message indicates that an IP address and UDP port number need to be set for the call. This extension is only available if extension version 0x00040000 or higher gets negotiated. Note The following format of the parameters applies: • hCall -The call for which the Open Logical Channel event applies • dwParam1 – Message type • dwParam2 – Compression Type • dwParam3 – Packet size in milliseconds At extension version 9.0 (0x00090000), start transmission has the following format: • hCall -The call the Open Logical Channel event is for • dwParam1: from highest order bit to lowest • First eight bits blank • Maximum frames per packet 8 bits • Compression type 8 bits • Message type 8 bits Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 410 Cisco Device-Specific Extensions Existing Call Events