User's Manual

Site-Specific Option Number Setting
Issue 6 August 2014 23
4. Press the * (asterisk) key to terminate the procedure without restarting the deskphone.
Press the # (pound) key to restart the deskphone.
The remainder of this procedure depends on the status of the boot and application files.
See Appendix A:
Restart Scenarios.
Site-Specific Option Number Setting
!
CAUTION:
CAUTION: Do not perform this procedure if you are using static addressing. Perform this procedure
only if you are using DHCP and the LAN administrator instructs you to do this.
Use the following procedure to set the Site-Specific Option Number (SSON).
1. While the deskphone is on-hook and idle, press the following sequence of keys on the faceplate of
the deskphone:
Mute 7 7 6 6 # (Mute S S O N #)
Note:
Note: Press the Mute button momentarily. Do not press this button while pressing other keys/
buttons.
The deskphone displays the following text left-justified at the top of the display:
where ddd is the value of SSON.
2. Enter a valid value between 128 and 254 for the SSON.
For all IP deskphones, if a value different from the current SSON value is entered, the following text
displays left-justified at the top of the display:
3. Press the * button to terminate the procedure, or the # button to save the new value. If you press
the # button, the deskphone displays the following text:
The deskphone saves the new value, and restores the user interface to its previous state.
SSON=ddd
New=_
Save new value?
*=no #=yes
New value
being saved