FreePBX Settings

Non Encrypted Trunk

Create a new PJSIP Trunk, giving it a name and the main DDI you want to present (remember to use the e164 format.

As we use IP Authentication rather than SIP Registration, make sure to switch authentication to None and registration to None.

Use out.opl.co.uk as the SIP Server

Because we send inbound traffic from multiple IPs you need to add all of the SIP Signalling IPs to the Match (Permit) Field, the field accepts comma separated IP’s

178.22.139.77,185.63.140.77,185.63.142.77,185.63.141.77,185.63.143.77,172.86.224.77,46.249.201.97,93.177.127.151

Make adjustments to some advanced settings, switch Trust RPID/PAI to Yes and Send RPID to Send P-Asserted Identity Header

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Finally you will need to create an Inbound and Outbound route. Each DDI will need it’s own Inbound Route using the 44XXXXXXXXXX format.

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