User Guide for the SIP-T22(P) IP Phone 
viii 
Phone Lock.......................................................................................................................................24 
AUDIO SETTINGS......................................................................................................................................27 
Volume.............................................................................................................................................27 
Ring Tones........................................................................................................................................27 
CONTACT MANAGEMENT ..........................................................................................................................29 
Viewing Contacts .............................................................................................................................29 
Searching for Contacts.....................................................................................................................30 
Placing Calls to Contacts..................................................................................................................31 
CALL HISTORY MANAGEMENT ....................................................................................................................31 
CHANGING PRESENCE ...............................................................................................................................33 
Always Online ..................................................................................................................................34 
E911 ....................................................................................................................................................35 
E911 Location Tip ............................................................................................................................35 
Location Notification .......................................................................................................................37 
Adding the Location Information.....................................................................................................38 
Viewing the Location Information ...................................................................................................39 
Emergency Call ................................................................................................................................39 
DIAL-NOW.............................................................................................................................................. 39 
LIVE DIALPAD ..........................................................................................................................................41 
Basic Call Features................................................................. 43 
PLACING CALLS........................................................................................................................................43 
ANSWERING CALLS...................................................................................................................................45 
ENDING CALLS......................................................................................................................................... 46 
REDIALING NUMBERS ...............................................................................................................................46 
AUTO ANSWER........................................................................................................................................47 
CALL WAITING.........................................................................................................................................47 
CALL MUTE ............................................................................................................................................48 
CALL HOLD/RESUME ................................................................................................................................49 
CALL FORWARD .......................................................................................................................................50 
Static Forwarding ............................................................................................................................50 
Dynamic Forwarding .......................................................................................................................58 
RESPONSE GROUPS ..................................................................................................................................59 
BOSS-ADMIN FEATURE..............................................................................................................................59 
As a Boss in the Boss-Admin Scenario .............................................................................................60 
As a Delegate in the Boss-Admin Scenario ......................................................................................61 
INBOUND PRIVATE LINE .............................................................................................................................62 
CALL TRANSFER .......................................................................................................................................63 
CONFERENCE ..........................................................................................................................................64 
CALL PARK ..............................................................................................................................................65 
VOICE MAIL............................................................................................................................................ 66 
BRANCH OFFICE RESILIENCY.......................................................................................................................68 
Better Together over Ethernet ................................................ 69