Table 1
Identifying the Protocol Used by Your Cisco IP Phone
If you see
"Your current options" near the bottom
of the screen and no icon on the black
banner in the top right corner of the
LCD screen:
A "SIP" icon on the black banner in the
top right corner of the LCD screen.
An MGCP icon (the letter "m" topped
by a curved line) on the black banner in
the top right corner of the LCD screen.
"CM Fallback Service Operating" near
the bottom of the LCD screen.
"Cisco CME" near the bottom of the
LCD screen.
Identifying Buttons and Hardware
Figures 2 and 3 identify the buttons and hardware on your Cisco IP Phone.
Your phone uses
Cisco CallManager
Session Initiation Protocol (SIP)
Media Gateway Control Protocol (MGCP)
Survivable Remote Site (SRS) Telephony
Cisco CallManager Express
5