Cisco Cisco TelePresence Video Communication Server Expressway
25
SIP: internal
VCS Control
source port
Endpoint
listening port
VCS Control
listening port
Endpoint
source port
Call direction
VCS Control to endpoint
Endpoint to VCS Control
Open firewall
n/a
n/a
IP address
IP address of
VCS Control
IP address
of endpoint
IP address of
VCS Control
IP address
of endpoint
IP Po
rt
s
SIP signaling
UDP C
5060
TCP & TLS A
25000 to 29999
UDP & TCP &
TLS F
5060 or >= 1024
UDP: C
5060
TCP: K
5060
TLS: L
5061
UDP G
5060 or >= 1024
TCP & TLS H
>= 1024
RTP
UDP Y
C
50000 to 52399
UDP E
>= 1024
UDP Y
E
50000 to 52399
UDP E
>= 1024
RTCP
UDP Y
C
50000 to 52399
UDP E
>= 1024
UDP Y
E
50000 to 52399
UDP E
>=1024
public
Internet
VCS Control
VCS Expressway
DMZ
VCS Expressway
C = Protocols > SIP > Configuration > UDP
port: default = 5060
A = Protocols > SIP > Configuration > TCP
Outbound port start to end: default = 25000
to 29999
to 29999
F = defined by endpoint’s registration (or if call
is to a non-registered endpoint, IP port is
defined by DNS lookup) any port >= 1024,
often 5060 for UDP
defined by DNS lookup) any port >= 1024,
often 5060 for UDP
K = Protocols > SIP > Configuration > TCP
port: default = 5060
L = Protocols > SIP > Configuration > TLS
port: default =5061
G = any port >= 1024, often 5060 for hard
endpoints
H = any port >= 1024
Y
Y
C
= Local Zone > Traversal Subzone >
Traversal Media port start to end
(configured on VCS Control): default =
50000 to 52399
(configured on VCS Control): default =
50000 to 52399
E = Endpoint media port range; value used is
specified in the SDP:
= any IP port above 1024
= 50000 to 52399 for another VCS
= 2326 to 2385 for MXP static setting
= 11000 to 65000 for MXP dynamic setting
= any IP port above 1024
= 50000 to 52399 for another VCS
= 2326 to 2385 for MXP static setting
= 11000 to 65000 for MXP dynamic setting
Y
E
= Local Zone > Traversal Subzone >
Traversal Media port start to end
(configured on VCS Expressway): default =
50000 to 52399
(configured on VCS Expressway): default =
50000 to 52399