To make outgoing calls, you need to select one of the Telephony connection options:
- Rent a number for incoming calls and select it as a default number for outgoing calls;
- Connect your office or cloud PBX using the SIP connector;
- Connect SIP PBX using REST API.
The account administrator needs to select a number/connection that will be used for outgoing calls in the Telephony > Telephony settings section: