Cisco Cisco Expressway
Enabling Microsoft Edge Server and Expressway
TURN capabilities
TURN capabilities
Ensure that the Microsoft Interoperability option key has been installed on the “Lync gateway”
Expressway.
Expressway.
To enable call connectivity with Lync clients calling via an Edge server, the B2BUA needs to have TURN
services properly configured to point to a Expressway-E with TURN enabled.
services properly configured to point to a Expressway-E with TURN enabled.
1. Go to
Applications > B2BUA > B2BUA TURN servers
.
2. Click New.
3. Configure the fields as follows:
TURN server address
IP address of a Expressway-E which has TURN enabled.
(Just a single Expressway; it may be just one peer from a cluster.)
(Just a single Expressway; it may be just one peer from a cluster.)
TURN server port
3478
The port on the Expressway-E that is listening for TURN requests.
On Large VM server deployments you can configure a range of TURN
request listening ports. The default range is 3478 – 3483.
request listening ports. The default range is 3478 – 3483.
Description
An optional description of this TURN server.
TURN services username
and
TURN services password
and
TURN services password
The username and password to access the TURN server.
4. Click Add address.
5. Repeat the above steps if additional TURN servers are required.
6. Go to
Applications > B2BUA > Microsoft Lync > Configuration
.
7. Configure the fields as follows:
Offer TURN Services
Yes
8. Click Save.
Microsoft Lync and Cisco Expressway Deployment Guide (X8.1)
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Enabling Microsoft Edge Server and Expressway TURN capabilities