User Guide for the SIP-T28P IP Phone 
54 
7.  (Optional.) Enter the corresponding value in the Extension field. 
8.  Press the Save soft key to accept the change or the Back soft key to cancel. 
Memory key is configurable via web user interface at the path DSSKey->Memory Key. 
Note   
Common used memory key features are explained in the following subchapters in 
detail: 
  Line 
  Speed Dial 
  Voice Mail 
  Directed Pickup 
  Group Pickup 
  DTMF 
  Prefix 
  Local Group 
  XML Group 
  XML Brower 
  LDAP 
  Conference 
  Forward 
  Transfer 
  Hold 
  DND 
  SMS 
  Group Listening 
  Zero Touch 
  URL 
  Phone Lock 
  Directory 
For the features not listed above, refer to Basic Call Features on page 73 and Advanced 
Phone Features on page 109. For more information, contact your system administrator. 
Line 
You can use this key feature to accept incoming calls, place active calls on hold or 
resume a held call. It performs in the same way as a hard line key. 
When the phone is idle, you can also long press the memory key to configure it directly 
on the phone.