Enable your phone system in less than 5 minutes
Ringotel Shell augments your phone system configuration and doesn’t require any changes in existing setup or infrastructure.
Step 2 Configure provisioningSpecify provisioning settings, like public IP address or a domain name of your IP PBX instance and a SIP port (a few more options available).
You might need to check firewall rules on your IP PBX to allow incoming connections to SIP/RTP ports from the Ringotel servers.
No need to set up a SIP trunk!