B Port Usage - Polycom HDX Series Administrator's Manual

Port Usage
You may need this information when you configure your network equipment
for video conferencing.
The following table shows IP port usage.
Port
23
24
80
123
161-162
389
443
514
636
1024-65535
1503-Static
1718-Static
Function
(Telnet) For diagnostics
Polycom API
(HTTP) Pulling Polycom HDX system, Polycom VSX
system, ViewStation, and VS4000™ information
(HTTP) Software upgrades and provisioning for iPower™
Static - TCP HTTP interface (optional)
UPD Network time protocol (NTP)
TCP/UDP SNMP
LDAP and ILS
Static - TCP/UDP ILS registration (LDAP)
TCP HTTPS
UDP syslog
Secure LDAP communication (LDAPS)
Dynamic TCP H245. Can be set to "Fixed Ports" on
Polycom systems.
Dynamic UDP - RTP (video data). Can be set to "Fixed
Ports" on Polycom systems.
Dynamic UDP - RTP (audio data). Can be set to "Fixed
Ports" on Polycom systems.
Dynamic UDP - RTCP (control information). Can be set to
"Fixed Ports" on Polycom systems.
TCP T.120
TCP Gatekeeper discovery (must be bidirectional)
B
B - 1