для Cisco Cisco Expressway
13
SIP – additional ports for ICE
Expressway-E
source port
Internet endpoint
server (listening) port
Expressway-E
listening port
Internet endpoint
source port
message direction
Outbound from Expressway to endpoint
in internet
Inbound from an endpoint in internet to
Expressway
Open firewall
DMZ to Internet
Internet to DMZ
IP address
IP address of
Expressway-E
Any IP address
IP address of
Expressway-E
Any IP address
IP Po
rt
s
TURN server
control
control
N/A
N/A
UDP R
3478 (to 3483)
UDP M
>= 1024
TURN server
media
media
UDP
24000 to 29999
UDP N
>= 1024
UDP
24000 to 29999
UDP N
>= 1024
M = IP port of signalling from endpoint – may be
ephemeral IP port of endpoint (if no firewall),
or IP port of the outside firewall :
= any IP port above 1024
or IP port of the outside firewall :
= any IP port above 1024
N = IP port of relevant ICE candidate – host IP
port, Server reflexive IP port (outside firewall
port) or TURN server port:
= any IP port above 1024
port) or TURN server port:
= any IP port above 1024
R = On Large VM server deployments you can
configure a range of TURN request listening
ports
ports
Internet
Expressway-C
Expressway-E
DMZ