Let's cover the setup for connecting 3CX to a PSTN line using an analog gateway (Patton SN4114) and then connecting 3CX to a SIP/ITSP line.
The first thing you need to know is that every line or port in 3CX is assigned its very own number, just like the Ring Groups, Digital Receptionists, and Call Queues have their own account number assigned. This makes it easier to route calls using a number.
1. The first way is to click Add and then PSTN Gateway:
2. The second way is to click Add PSTN Gateway on the main 3CX toolbar:
3. The third method is to use the navigation pane on the left-hand side; click PSTN devices, and then click Add Gateway on the right-hand side:
Now that we have started the PSTN Gateway wizard, we can run through the...