Description
ClusterPBX firmware compatibility chart for Polycom IP equipment.
Intended Audience
Reference
Quick Table
| Model | Firmware Version | Known Issue |
|---|---|---|
| VVX | >=5.51 | none |
| VVX | <5.50 | DHCP Compatibility |
| VVX | >=5.4 | Drop call on transfers (See the Details section below) |
Only the versions we tested are listed in the table, you may need to upgrade to a specific version of a device’s firmware to gain access to certain features.
Details
- When a Polycom phone with firmware 5.4.x sends a BYE packet it adds “transport=invalid” to the SIP route, Opensips doesn’t like that at all.