Cisco Expressway Series

Purpose Src. IP Src. ports Protocol Dest. IP Dst. Ports
RTP (non-
multiplexed
traversal media)
Expressway-C 36000-
59998
(even
ports)
UDP Expressway-
E (private)
36000-59998 (even ports)
RTCP(non-
multiplexed
traversal media)
Expressway-C
36001-
59999
(odd ports)
UDP Expressway-
E (private)
36001-59999 (odd ports)
RTP (non-
multiplexed)
Expressway-E (public) 36000-
59998
(even
ports)
UDP Any
(endpoint in
the Internet)
>=1024 (endpoint media
range)
RTCP(non-
multiplexed)
Expressway-E (public)
36001-
59999
(odd ports)
UDP Any
(endpoint in
the Internet)
>=1024 (endpoint media
range)
RTP (non-
multiplexed)
Any (endpoint in the
Internet)
>=1024
(endpoint
media
range)
UDP Expressway-
E (public)
36000-59998 (even ports)
RTCP(non-
multiplexed)
Any (endpoint in the
Internet)
>=1024
(endpoint
media
range)
UDP Expressway-
E (public)
36001-59999 (odd ports)
Table 10 H.323 Ports Reference (continued)
21
Cisco Expressway IP Port Usage Configuration Guide