User Manual

6
Table 1 Identifying the Protocol Used by Your Cisco IP Phone
Identifying Buttons and Hardware
Figures 2 and 3 identify the buttons and hardware on your Cisco IP Phone.
If you see Your phone uses
“Your current options” near the bottom of the
screen and no icon on the black banner in the
top right corner of the screen:
Cisco CallManager
A “SIP” icon on the black banner in the top
right corner of the screen.
Session Initiation Protocol (SIP)
An MGCP icon (the letter “m” topped by a
curved line) on the black banner in the top right
corner of the screen.
Media Gateway Control Protocol (MGCP)
“CM Fallback Service Operating” near the
bottom of the screen.
Survivable Remote Site (SRS) Telephony
“Cisco CME” near the bottom of the screen.
Cisco CallManager Express