Timer Keep Alive Expires (seconds) =
Timer Subscribe Expires (seconds) =
Timer Subscribe Delta (seconds) =
Ensure SIP Station KeepAlive Interval at System > Service Parameters > Cisco CallManager remains configured for 120
seconds.
Custom 8861 SIP Profile
Cisco IP Phone 8861 and 8865 Wireless LAN Deployment Guide
300
(default = 120)
300
(default = 120)
15
(default = 5)
110