In this module we will see how to Enable use RPID as Caller ID in Trunks,
Go to Routing → Trunks → Egress/Ingress
Below displayed window will appear.
Click on Edit Icon on any of Trunk on which you want to Enable RPID as Caller ID.
Trunk Edit window will appear.
Screenshot: Trunk Edit Window
On the Trunk window, check on Use RPID as Caller ID to Enable it.
After checking the icon, click on SUBMIT button to save it.
Follow same procedure for both Ingress & Egress Trunks.