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On the Trunk Group Info page, 46 Labs recommends the following settings:
Name - Enter a meaningful name for the Trunk Group, for example Phone Proxy TLS
Enable NAT - check the Enable NAT option
Call Extension: should be Off
Send E.164 - should be enabled
Send PAI - should be enabled
Trunk Monitoring - should be enabled
Preserve Caller ID - should be enabled
Early Media - should be enabled
Direction - Select Termination
Relationship - Select Vendor
Copy Of Existing - Select Phone Proxy TCP
Click the Create button to create the Phone Proxy TLS Trunk Group
Click Save
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Select the Trunks tab.
Trunk Type - Select IP/FQDN
IP Address/FQDN - Enter the IP address of the customer PBX where SIP Phone registration messages should be sent to.
Port - The port must be set to 1
Protocol - Select TLS
Orchestrator Location - Select the appropriate Orchestrator
Zones - Select the appropriate zone
Orchestrator IP - Select the appropriate Orchestrator IP
Click the Add Trunk button.
Repeat these steps for each Orchestrator Location
Repeat these steps for each Customer PBX where SIP Phone registration messages should be sent to.
Once all the Trunks have been added, select the appropriate Hunting method. In this example Failover is selected as the Hunting method.
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To change the Trunks from TCP of TLS, click on the vertical ellipse to the right of the Trunk and select Edit
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Change the Protocol to TLS and click the Update Trunk button
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Repeat this step for each Trunk
Select the Media Handling tabEnable Anchor Media
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Check the Enable Secure RTP checkbox
Click the Save & Close button
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