Communication Manager: denial event 1387: Agent login
CM 6.3.2
Phone Type: 9640, also can happen on many other SIP stations, (9608, 1616, 4620 and One-X)
When using STATIONS WITH OFF-PBX TELEPHONE INTEGRATION it is not possible to login an agent to the same station.
15:03:01 SIP<SIP/2.0 500 Internal Server Error
15:03:01 Call-ID: 02a1ee3c0b5e31291753e934200
15:03:03 dial *82~ 29668#
15:03:03 term station 29668 cid 0x1f3
15:03:05 denial event 1387: Agent login invalid/error D1=0x5977 D2=0x1f3 denial event
VOIP data from: [17.127.192.35]:12364
CM: Unable to log in as an agent with a SIP phone