Expected events Action B: LINEGETCALLINFO::DEVSPECIFIC exposes CallingPartyVideoCapStatus = 0x000000001[CiscoDeviceVideoCapability_Enabled] CalledPartyVideoCapStatus = 0x000000000[CiscoDeviceVideoCapability_None Variation 2: A has video enabled and B is a CTI Port or Route Point. Dynamic Media Capability Change on Device A (SIP Phone with Camera) Which Is Video-Enabled Expected events Action LINEGETDEVCAPS::DEVSPECIFIC exposes Video Capability

0x00000001[CiscoDeviceVideoCapability_Enabled] TSP will fire SLDSMT_LINE_PROPERTY_CHANGED event to application with dwParam2 = LPCT_DEVICE_VIDEO_INFO(0x00010000). LineInitializeEx LineOpen on A Issue LineGetDevCaps() with Ext version 0x000D0000 with deviceId for linedevice A Change Video Capability of device to Disabled from CUCM Admin page LineShutdown TSP will fire SLDSMT_LINE_PROPERTY_CHANGED event to application with dwParam2 = LPCT_DEVICE_VIDEO_INFO(0x00010000). Variation 1: Intially Device A has Video disabled and then change Video Capability of device to enabled from CUCM Admin page. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 645 Message Sequence Charts Message Sequence Charts