Port usage – Polycom 1 User Manual

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Port Usage

You may need this information when you configure your network equipment
for video conferencing.
The following table shows IP port usage.

Port

Function

23 (Telnet)

For

diagnostics

24 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)

123

UPD Network time protocol (NTP)

161-162

TCP/UDP SNMP

389 LDAP

and

ILS

Static - TCP/UDP ILS registration (LDAP)

443

TCP HTTPS

514

UDP syslog

636

Secure LDAP communication (LDAPS)

1024-65535

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.

1503-Static TCP

T.120

1718-Static

TCP Gatekeeper discovery (must be bidirectional)