Cisco Cisco Expressway Maintenance Manual
Ensuring that TURN services are disabled on Expressway-E
You must ensure that TURN services are disabled on the Expressway-E used for mobile and remote access.
1. Go to
Configuration > Traversal > TURN
.
2. Ensure that TURN services are Off.
Checking the status of Unified Communications services
You can check the status of the Unified Communications services on both Expressway-C and Expressway-
E.
E.
1. Go to
Status > Unified Communications
.
2. Review the list and status of domains, zones and (Expressway-C only) Unified CM and IM&P servers.
Any configuration errors will be listed along with links to the relevant configuration page from where you
can address the issue.
can address the issue.
Mobile and remote access port reference
This section summarizes the ports that need to be opened on the firewalls between your internal network
(where the Expressway-C is located) and the DMZ (where the Expressway-E is located) and between the
DMZ and the public internet.
(where the Expressway-C is located) and the DMZ (where the Expressway-E is located) and between the
DMZ and the public internet.
Outbound from Expressway-C (private) to Expressway-E (DMZ)
Purpose
Protocol
Expressway-C (source)
Expressway-E (listening)
XMPP (IM and Presence)
TCP
Ephemeral port
7400
SSH (HTTP/S tunnels)
TCP
Ephemeral port
2222
Traversal zone SIP signaling
TLS
25000 to 29999
7001
Traversal zone SIP media
(for small/medium systems on X8.1 or
later)
later)
UDP
36000 to 59999*
36000 (RTP), 36001
(RTCP) (defaults)
(RTCP) (defaults)
Traversal zone SIP media
(for large systems)
UDP
36000 to 59999*
36000 to 36011 (6 pairs of
RTP and RTCP ports for
multiplexed media
traversal)
RTP and RTCP ports for
multiplexed media
traversal)
Outbound from Expressway-E (DMZ) to public internet
Purpose
Protocol
Expressway-E (source)
Internet endpoint
(listening)
(listening)
SIP media
UDP
36002 to 59999 or
36012 to 59999
>= 1024
SIP signaling
TLS
25000 to 29999
>= 1024
Cisco Expressway Administrator Guide (X8.2)
Page 63 of 378
Unified Communications
Mobile and remote access