according to Cisco infos:
(The service phone videoCapability) command enables the video functionality on your Cisco CallManager Express system.
I have 2811 deployed with c2800nm-ipvoice9-mz.124-15.T4.bin.
this command for enbling Video Function is not availbale in telephoy service.
which voice IOS version upgrade for 2811 do i need , that contains the command?