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6.3.1 Assigning an SBC to a route group
Two Route Groups should be created at the Account or Phone Site to ensure PSTN connectivity is
functional with the survivability solution:
• A Route Group is needed for assignment to the specific Phone System Site that is
enabled for survivability - the Survivability Public/Private IP Address defined within the
SBC is pushed to the ZPLS module. Upon entering failover mode, ZPLS sends external
calls to the SBC IP Address contained within the Survivability Route Group. This Route
Group does not contain a “Region” since the purpose of this Route Group is to establish
a connection to the ZPLS module.
• At least one additional Route Group is required for routing incoming calls to BYOC
numbers during normal conditions. In this instance, a SIP Trunk is created between the
Zoom Phone SIP Zone(s) contained within the Region(s) and the SBC Public IP Address.
Backup Route Groups are possible with this BYOC Route Group but not the survivability
Route Group.
To add Route Group:
1. Sign-in to the Zoom web portal at https://zoom.us.
2. In the Navigation menu, click Phone System Management, then click Company Info.
3. Click Account Settings, locate Route Groups.
4. Click Manage.
5. Click Add.
6. Enter a Display Name for the Route Group.
7. Change the Type to Survivability.
8. Select the Session Border Controller added in the previous step.
9. Click Save.
To assign a Route group to a ZPLS Module:
1. In the Navigation menu, click Phone System Management, then click Company Info.
2. Click Account Settings.
3. Under Zoom Node, locate Local Survivability.
4. Click Manage.
5. Click Edit, and in the Assign to, select the Route Group (created in the previous step). The
selected Server should be assigned to a specific Site and when PSTN connectivity is required
the survivability Route Group should also be assigned.
6. Select the Route Group created in the previous step.
7. Click OK.
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