Polycom 3725-77601-001H manual Outbound Ports Used by the Polycom CMA System

Polycom CMA System Operations Guide

Port	Description
TCP 4449	(Polycom proprietary service) OpenDS (Data store for site
	topology) admin port
TCP 8989	(Polycom proprietary service) OpenDS (Data store for site
	topology) replication port

Note

Third-party port-scanning software may incorrectly identify the Polycom proprietary services as IANA-registered services, since identification is made by port number only and not by the actual protocol being transmitted:

Outbound Ports Used by the Polycom CMA System

The following table lists all outbound ports that the CMA system uses to communicate with other systems, including endpoints, bridges, database servers, and other network equipment.

As a standard H.323 gatekeeper, the CMA system uses ports 1024-65535 for dynamic TCP and UDP traffic.

	Port	Description
	TCP 20	Used to FTP data to endpoints.
	TCP 21
	TCP/UDP 24	Used to access the telnet interfaces on endpoints.
	TCP/UDP 25	Used to send E-mail messages to SMTP servers.
	TCP/UDP 53	Used to access domain name servers (DNS).
	TCP 80	Used to access the web application on endpoints and MGCs,
		version 7.x and higher.
	TCP 135	Active Directory (AD) Single Signon (NetBios/NTLM).
	TCP 137
	TCP 139
	TCP/UDP 389	Used to access directory (LDAP) services
	TCP 443	Secure access to endpoint devices (SSL) including Polycom
		CMA Desktop.
	TCP 445	AD Single Signon
	TCP/UDP 636	Used to access LDAP over TLS/SSL (LDAPS)
	TCP 1205	Used to access MGCs for management and monitoring
538		Polycom, Inc.