M
Mark JonesAug 22, 2025
Why does my Polycom SoundPoint IP 560 IP Phone say 'Service Unavailable'?
- JJacob WilliamsAug 22, 2025
If the Polycom IP Phone displays 'Service Unavailable', it may be because the phone isn't registered, and you attempted to make a call. Contact your system administrator to check when your phone will be registered.