Cisco Cisco Expressway Manual De Mantenimiento
External Lync client / Edge server and Expressway-E
Purpose
Protocol
Lync client / Edge
server
server
Expressway-E
ICE messaging (STUN/TURN) if media
is sent via the Expressway-E
is sent via the Expressway-E
UDP
3478
3478
UDP media if it is sent via the
Expressway-E
Expressway-E
UDP
1024-65535
24000-29999
Between B2BUA and transcoder
Purpose
Protocol
B2BUA IP port
Transcoder
B2BUA communications with transcoder
(Cisco AM GW)
(Cisco AM GW)
TLS
65080
5061
Cisco Expressway Administrator Guide (X8.1.1)
Page 263 of 343
Reference material
Microsoft Lync B2BUA port reference