User manual

4300T User Manual Edgewater Networks, Inc.
Version 1.7 44
PSTN Gateways
• Audiocodes MP-104/108
Configuring VoIP survivability in EdgeMarc appliances
Configuring VoIP survivability in EdgeMarc appliances consists of the following tasks:
1. Enable VoIP survivability.
2. Configure call processing server reachability settings (optional).
3. Specify the number of digits to use for local dialing (optional).
4. Configure the IP address of the local LAN side PSTN gateway (optional).
5. Configure call processing server redundancy (optional).
Please note that this configuration requires that you have completed the basic
installation of the EdgeMarc appliance including interface, IP, traffic management
and VoIP configurations. Information regarding these tasks can be found in the
“info” section of the EdgeMarc appliance, the User Manual or in Edgewater’s online
knowledgebase located in the support section of www.edgewaternetworks.com
Step 1 – Enable VoIP Survivability
A. Log into the EdgeMarc appliance using a Netscape or
Internet Explorer web browser.
B. Select System.
C. Select Survivability.
D. Select the Enabled radio button under the
Survivability Configuration section of the web
page.
E. Press Submit.
The EdgeMarc appliance is now configured to check the
connectivity of the call processing server and will
automatically perform local call switching if the server
becomes unavailable.
Step 2 – Configure call processing server reachability settings (optional)
The reachability settings control how often messages are sent to network based call
processing servers and how quickly a server will be declared unreachable or
reachable. These settings can be changed to match the particular needs of your
environment by using the following steps:
A. Log into the EdgeMarc appliance using a Netscape
or Internet Explorer web browser.
B. Select System.
C. Select Survivability.
D. Enter the desired values for Time between
heartbeat messages, Time to declare
heartbeat lost, Number of lost messages to
declare alarm and Number of received
messages to clear alarm in the Softswitch
Reachability section of the web page.