Hi Imran,   For Video conferencing you would need a solution like Cisco CMS see below for details.   https://www.cisco.com/c/en_in/products/conferencing/meeting-server/index.html   https://community.cisco.com/t5/collaboration-voice-and-video/cisco-meeting-server-cms-overview-and-useful-info-resources/ta-p/3648134   (Rate if it helps)   JB ... View more

Hi Gordon, I dont think so see below . https://www.cisco.com/web/software/286319173/139477/CUCM_11.5.1-CSCvf57440-COP-Readme-Rev2.pdf What this COP file provides: This COP file makes the required changes to address the following issue: CSCvf57440 - No push is sent to devices during rapid link OOS and link ISV between nodes BugID CSCvf88802 is basically caused when jabber device registers with an active call at its shared line, an unexpected Db Change Notification which causes Jabber device to reset in mid of the registration process, eventually leading to CCM core. it would generate a backtrace line below. backtrace - CUCM =================================== #0 operator= (this=0xe440a950, s=...) at ../Include/TDCLLineControl.hpp:599 #1 LineControl::restart0_LmSyncCallReq (this=0xe440a950, s=...) at ProcessLineControl.cpp:3557 #2 0x09f5e1cf in SdlProcessBase::inputSignal (this=0xe440a950, rSignal=0xe3846900, traceType=SdlSystemLog::SignalRouterThread, highPriority=0, normalPriority=0, lowPriority=0, veryLowPriority=0, lazyPriority=0, dbUpdatePriority=0) at SdlProcessBase.cpp:406 #3 0x09f62966 in SdlRouter::callProcess (this=0xc3d5c90, _sdlSignal=0xe3846900, _deleteSignal=@0xed23f2ff, _traceType=SdlSystemLog::SignalRouterThread, _hp=0, _np=0, _lp=0, _vlp=0, _lzp=0, _dbp=0) at SdlRouter.cpp:257 #4 0x09f62c10 in SdlRouter::scheduler (this=0xc3d5c90) at SdlRouter.cpp:164 #5 0x09f6310f in SdlRouter::schedulerInit (sdlRouter=0xc3d5c90) at SdlRouter.cpp:107 #6 0xf68d2bc9 in start_thread () from /lib/libpthread.so.0 #7 0xf69d404e in clone () from /lib/libc.so.6 ================================== 11.5(SU3a) addresses this BUG also. (Rate if it helps) JB ... View more

Hi, You need and valid CCO to download Cisco IP communicator that's it. From licensing perspective if you are running CUCM version 9.x and above you need an Enhance license per Cisco IP communicator intense. https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/10_0_1/ccmfeat/CUCM_BK_F3AC1C0F_00_cucm-features-services-guide-100/CUCM_BK_F3AC1C0F_00_cucm-features-services-guide-100_chapter_0100101.html Enhanced UCL Cisco Unified IP Phone 3911, 3941, 3951 Cisco Unified IP Phone 6941, 6945, and 6961 models Cisco Unified IP Phone 7900 Series (7900G, 7911G, 7912G, 7931G, 794xG, 796xG, and 7975G models) Cisco Unified IP Phone 8900 Series (8941, 8945, and 8961 models) Cisco Unified IP Phone 9900 Series (9951 and 9971 models) with or without camera Cisco Unified Wireless IP Phones Series (792xG and 7925G-EX models) Cisco Unified IP Conference Stations (7936G and 7937G stations) Cisco Unified Softphones (Cisco Unified Personal Communicator, Cisco UC Integration for Lync, Cisco UC Integration for Connect, and Cisco IP Communicator) Jabber clients (Jabber for Mac, Jabber for Windows, Jabber for iPhone, Jabber for Android, Jabber for iPad, and Jabber SDK) Cisco Virtual Experience Clients (VXC) with voice and video firmware Cisco IP Video Phone E20 Cisco TelePresence System EX Series (EX60 and EX90) Third-party SIP devices Cisco Desktop Collaboration Experience DX600 Series (Rate if it helps) JB ... View more

Hi Stuart, Never heard of two handset working simultaneously, bext way is like you explained Handset and Headset. Or you can setup Barge to do so. (Rate if it helps) JB ... View more

Happy to help JB ... View more