Cisco Cisco TelePresence Video Communication Server Expressway
Configuration checklist for DVO-R
1.
Set up Cisco Unified Communications Manager to support DVO-R.
2.
Set up DVO-R for each device.
3.
Set up user-controlled voicemail avoidance.
4.
Add Remote Destination (optional).
5.
Configure Cisco Jabber client settings.
See Configuring Dial via Office-Reverse to Work with Mobile and Remote Access at
for more information.
Checking the Status of Unified Communications Services
You can check the status of the Unified Communications services on both VCS Control and VCS Expressway.
1.
Go to Status > Unified Communications.
2.
Review the list and status of domains, zones and (VCS Control 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.
address the issue.
Mobile and Remote Access Port Reference
This section summarizes the ports that could potentially be used between your internal network (where the VCS
Control is located) and the DMZ (where the VCS Expressway is located) and between the DMZ and the public
internet.
Control is located) and the DMZ (where the VCS Expressway is located) and between the DMZ and the public
internet.
Outbound from VCS Control (private) to VCS Expressway (DMZ)
Purpose
Protocol
VCS Control (source)
VCS Expressway (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)
2776 (RTP), 2777 (RTCP)
(old defaults*)
(old 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 VCS Expressway (DMZ) to public internet
Purpose
Protocol
VCS Expressway (source)
Internet endpoint
(listening)
(listening)
SIP media
UDP
36002 to 59999 or
36012 to 59999
>= 1024
SIP signaling
TLS
25000 to 29999
>= 1024
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Mobile and Remote Access Through Cisco Video Communication Server Deployment Guide
Checking the Status of Unified Communications Services