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Polycom Firewall Ports / Protocols List
See below Table as an example for Polycom Phones as a list of the ports currently used by the Polycom UC Software.
| Port Number | Protocol | Outgoing | Incoming | UDP or TCP |
| 21 | FTP | Provisioning, Logs | TCP | |
| 22 | SSH | Admin | Admin | TCP |
| 23 | Telnet | Admin | TCP | |
| 53 | DNS | UDP | ||
| 67 | DHCP | Server | UDP | |
| 68 | DHCP | Client | UDP | |
| 69 | TFTP | Provisioning, Logs | UDP | |
| 80 | HTTP | Provisioning, Logs,Web Interface | HTTP Pull Web interface, HTTP Push | TCP |
| 123 | NTP | Time Server | UDP | |
| 389 | LDAP | Directory query | Query result | TCP/UDP |
| 443 | HTTPS | Provisioning, Logs | HTTP Pull Web interface, HTTP Push | TCP |
| 514 | SYSLOG | Logs | UDP | |
| 636 | LDAP | Directory query | Query result | TCP/UDP |
| 1719 | H.323 | RAS Signaling | RAS Signaling | |
| 1720 | H.323 | Signaling | Signaling | |
| 2222 | RTP | Media Packets | Media Packets | |
| 2223 | RTCP | Media Packets Statistic | Media Packets Statistic | |
| 5060 | SIP | SIP Signaling | SIP Signaling | |
| 5061 | SIP over TLS | Secure SIP Signaling | Secure SIP Signaling | |
| 7778 | OCS | |||
| 24800 | PDC | PDC Client messages | PDC Server Messages | TCP |
- Telnet is disabled by default.
- H.323 is available on the VVX 1500 only.
- RTP and RTCP can use any even port between 2222 and 2269 (2317 in VVX-1500), but this is configurable by setting tcpIpApp.port.rtp.mediaPortRangeStart.
