McDewey

Video Capability on Device A and B; Both Are Video-Enabled SIP Phones And, Both Devices Support Telepresence and Has 3 Screens Expected events Action A: LINEGETCALLINFO::DEVSPECIFIC exposes CallingPartyMultiMediaCapBitMask = 0x00000007 CalledPartyMultiMediaCapBitMask = 0x00000007 CallingPartyMultiMediaCapInfo : VideoCapability = 0x000000001[CiscoDeviceVideoCapability_Enabled] TelepresenceInfo = 0x000000001(Telepresence Enabled) Screen Count = 3 CalledPartyMultiMediaCapInfo : VideoCapability = 0x00000001[CiscoDeviceVideoCapability_Enabled] TelepresenceInfo = 0x00000001(Telepresence Enabled Screen Count = 3 LineInitializeEx LineOpen on A and B A does a LineMakeCall to B, B answers. Issue LineGetcallInfo() with Ext version for linedevice A LineShutdown A: LINEGETCALLINFO::DEVSPECIFIC exposes CallingPartyMultiMediaCapBitMask = 0x00000007 CalledPartyMultiMediaCapBitMask = 0x00000007 CallingPartyMultiMediaCapInfo : VideoCapStatus = 0x000000001[CiscoDeviceVideoCapability_Enabled] TelepresenceInfo = 0x000000001(Telepresence Enabled) Screen Count = 3 CalledPartyMultiMediaCapInfo : VideoCapStatus = 0x000000000[CiscoDeviceVideoCapability_None] TelepresenceInfo = 0x000000000(Telepresence Disabled) Screen Count = 1 Variation 1: A has video enabled and B has video disabled. A has Telepresence enabled and has 3 screens, B has Telepresence disabled and has 1 screens. Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 646 Message Sequence Charts Message Sequence Charts