Step 1 : Click On PBX
Step 2 : Click On Trunks
Step 3: Click on Add Sip Trunk
Step 4 : Give the Trunk Name and Outbound Caller ID:
Step 5 : Set the Outgoing and Incoming Settings
Outgoing Settings
Example : Trunk Name : DIDX
Peer Details :
Host : Ip Address
Type : Peer
Incoming Settings
Example : User Context : DIDX
User Details :
Host : Ip Address
Type : Peer
Step 6 : Set Registration Setting
Step 7 : Click on Inbound Routes