This use case describes the configuration of PSTN Survivability with the Mediatrix unit located in the LAN or on the Edge . When PSTN survivability is configured it implies that:
If the Sentinel SBC is located on the EDGE, it is important to configure the local firewalls. Refer to the DGW Configuration Guide - Configuring the Network Firewall , published on the Media5 documentation portal https://documentation.media5corp.com/
The SBC service allows the IP PBX to use the Mediatrix LAN port as an outbound proxy, while the Mediatrix can use the Uplink port to reach the SIP server. For this scenario, the following call agents re used:
Step 2 is only required when importing the first Ruleset and if you are not using a secure connection to access the Management Interface (http://).
Ruleset file extension must be *.crs for Call Agent Rulesets or *.rrs for Routing Rulesets.
Steps 8 and 9 are mandatory only if the Sentinel registers to the SIP provider
Format used must be USERNAME=your_username PASSWORD=your_password
This procedure is only necessary if your Mediatrix unit registers to the service provider.
A new line of fields is added.
Format must be sip:user@public_IP Address or sip:public_IP Address or sips:user@public_IP_Address:sip listening port;uri-parameters of the unit.
In a normal scenario, when the SIP server is available, the call comes from the lan_ip_pbx_ca Call Agent and goes to the wan_ip_trunk_ca Call Agent.
In a survivability scenario, when the call comes from the lan_ip_pbx_ca Call Agent, the wan_ip_trunk_ca Call Agent is blacklisted, meaning that the SIP server is unreachable, the call will be routed to trunk_lines_ca Call Agent that is assosiacted with the trunk_lines_gw gateway. The route then will be configured in the Destination field.
The blacklisted duration will depend on the Monitoring and Blacklisting Duration parameters configured under wan_ip_trunk_ca Call Agent.
Mediatrix units are supplied with an exhaustive set of documentation.
Mediatrix user documentation is available on the Documentation Portal at http://documentation.media5corp.com
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