Polycom SoundPoint IP 650 User Manual page 73

To connect a SoundPoint IP Expansion Module to your phone:
1. Remove the rubber plug from the SoundPoint IP 650 or the SoundPoint
IP Expansion Module.
ABC DEF
1 2 3
GHI JKL MNO
2. Align the SoundPoint IP Expansion Module at the top of the groove lines
on the SoundPoint IP 650 phone and slide it downwards until it clicks
into position.
3. Connect the base stand by aligning the two protrusions on the stand to
the holes on the back of the Expansion Module and snap it into place.
For each SoundPoint IP Expansion Module that you want to add, repeat steps
1 to 3.
Using the SoundPoint IP Expansion Module
Menu
Messages
Do Not Disturb
Menu
5 - 3