Cisco TelePresence - Page 398

Purpose Protocol Edge server Lync client
STUN UDP 3478 3478
UDP Media UDP 50000-59999 1024-65535
TCP Media TCP 50000-59999 1024-65535
External Lync client / Edge server and VCS Expressway
Purpose Protocol Lync client / Edge
server
VCS Expressway
ICE messaging (STUN/TURN) if media
is sent via the VCS Expressway
UDP 3478 3478
UDP media if it is sent via the VCS
Expressway
UDP 1024-65535 24000-29999 **
** 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.
Between B2BUA and transcoder
Purpose Protocol B2BUA IP port Transcoder
B2BUA communications with transcoder
(Cisco AM GW)
TLS 65080 5061
Cisco VCS Administrator Guide (X8.1.1) Page 398 of 507
Reference material
Microsoft Lync B2BUA port reference