Cisco Cisco TelePresence Video Communication Server Expressway 관리 매뉴얼
Purpose
Protocol
Microsoft client /
Edge server
Edge server
VCS Expressway
ICE messaging (STUN/TURN)
(VCS Expressway must listen on
TCP 3478 for screen sharing relay
requests from Microsoft clients, and on
UDP 3478 for A/V media relay requests)
TCP 3478 for screen sharing relay
requests from Microsoft clients, and on
UDP 3478 for A/V media relay requests)
UDP & TCP
3478
3478
UDP media
UDP
1024-65535
24000-29999
Table 24 External Microsoft Client / Edge Server and VCS Expressway
Purpose
Protocol
B2BUA IP port
Transcoder
B2BUA communications with transcoder
(Cisco AM GW)
(Cisco AM GW)
TLS
65080
5061
Table 25 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.
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.
configurable via Configuration > Authentication > Devices > Active Directory Service.
Purpose
VCS port
Destination port
Kerberos Key Distribution Center
UDP ephemeral port
88 UDP
Kerberos
TCP ephemeral port
88 TCP
VCS with Domain Controller (CLDAP)
UDP ephemeral port
389 UDP
VCS with Domain Controller (LDAP)
TCP ephemeral port
389 / 636 TCP
Client credential authentication with the Domain
Controller (Microsoft-DS). VCS initially tries port 445,
but if that cannot be reached it tries port 139.
Controller (Microsoft-DS). VCS initially tries port 445,
but if that cannot be reached it tries port 139.
TCP ephemeral port
445 / 139 TCP
400
Cisco TelePresence Video Communication Server Administrator Guide
Reference Material