User guide
User Guide SoundPoint IP 330/320
5 - 8
Audio
Symptom Problem Corrective Action
There is no audio on the 
headset.
The connections are not correct. Do one of the following steps:
• Ensure the headset is plugged into the 
jack marked Headset at the rear of the 
phone.
• Ensure the headset amplifier (if 
present) is turned on and/or the 
volume is correctly adjusted). If the 
amplifier uses batteries, check that 
they are fully charged.










