TCP Ports
The iTeraTEL solution requires that the following TCP ports are open:
| 22 | The port used by the remote SSH connections. |
| 25 | The port for remote SMTP connections used by the email2fax feature. |
| 443 | The port used to access the web interface. |
| 5060 | Signaling port. |
| 5050 | Signaling port. |
| 5061 | The TLS SIP port used for encrypted connections. |
| 5222, 5280, 5269 | The IM ports. |
| 5672 | AMQP port (usually internal traffic). |
| 11211 | Hubring- should be open for local host, in special configurations open only for remote. |
| 80 | The port used by CallAPI. |
UDP Ports
The iTeraTEL solution requires that the following UDP ports are open:
| 10000-20000 | This range of UDP ports have to be open for the RTP (audio) traffic. |
| 5060 | The TCP+UDP Kamailio SIP port. |
| 5061 | SIP TLS port used by Kamailio (optionally). |
| 5050 | The UDP Asterisk SIP port. |
| 53 | DNS port must be open for outgoing DNS requests. |
| 69 | The TFTP port used for provisioning. |
| 4000-5999 | Used by T.38 (fax) signaling. |
