Polycom TransTalk 9000-Series - Manual (Page 194)

Feature Reference
5-84
To change the Caller ID Type setting:
1. Press f 0 0 s s # 1 2 2 at extension
10 or 11.
The system shows the current setting.
2. Press D or d until the appropriate value displays, or press
r to return to the default setting.
3. Select another procedure or exit programming mode.