Software Versions:
- FreePBX ISO – STABLE SNG7-PBX-64bit-2011-5
- Poly VV H601
- UC Software Version: 6.4.1.2280
- Updater Version: 6.4.1.0431
Assumptions:
- FreePBX Server IP: 192.168.1.10
- Extension was created on FreePBX using pjsip driver.
- Extension No: 1001
- Password: 10011001
- PJSIP Port: 8051
- Poly VVH 601 IP: 192.168.1.12
Poly VVH 601 Configuration:
- Simple Setup
- SIP Server
- Address: 192.18.1.10
- Port: 8051
- SIP Line Identification
- Display Name: 1001
- Address: 1001
- Authentication User ID: 1001
- Authentication Password: 10011001
- Label: 1001
- Base Profile: Generic
- SIP Server

- Settings > SIP
- Local Settings
- Local SIP Port: 29101 (This should be unique on each Polycom Phones to avoid conflicts)
- Server 1
- Expires: 300
- Local Settings

Save and Reboot the phone to apply the changes.
Check the FreePBX Logfiles or Asterisk Info if the phone registered successfully.