Cisco Cisco TelePresence Video Communication Server Expressway 관리 매뉴얼

Purpose

Protocol

Edge server

Lync client

SIP/MTLS used between Lync Client and
Edge server for signaling (including any
ICE messaging to the Edge Server)

TCP

5061

SIP/TLS

TCP

443

STUN

UDP

3478

UDP Media

UDP

50000-59999

1024-65535

TCP Media

TCP

50000-59999

1024-65535

Table 16 External Lync Client and Edge Server

Purpose

Protocol

Lync client / Edge
server

VCS Expressway

ICE messaging (STUN/TURN)

(VCS Expressway must listen on
TCP 3478 for desktop sharing relay
requests from Lync clients, and on
UDP 3478 for A/V media relay requests)

UDP & TCP

3478

UDP media

UDP

1024-65535

24000-29999 **

Table 17 External Lync Client / Edge Server and VCS Expressway

** The default TURN relay media port range of 24000 – 29999 applies to new installations of X8.1 or later. The
previous default range of 60000 – 61799 still applies to earlier releases that have upgraded to X8.1.

Purpose

Protocol

B2BUA IP port

Transcoder

B2BUA communications with transcoder
(Cisco AM GW)

TLS

65080

5061

Table 18 Between B2BUA and External Transcoder

Device Authentication Port Reference

H.350 Directory Service

The following table lists the ports used for device authentication between VCS and the H.350 server. They are
configurable via Configuration > Authentication > Devices > H.350 directory service.

Purpose

VCS port

Destination port

H.350 LDAP server

TCP ephemeral port

TCP/389 or TCP/636

Active Directory (Direct)

The following table lists the ports used for device authentication between VCS and the AD system. They are
configurable via Configuration > Authentication > Devices > Active Directory Service.

394

Cisco TelePresence Video Communication Server Administrator Guide

Reference Material