Network requirements
To use SIP Trunking, allow both signaling and media IPs in your firewall. Signaling and media use different IP addresses and different ports.
SIP signaling
Section titled “SIP signaling”Teler uses 3.7.75.192 (IN) for SIP origination and termination.
| Protocol | Port | Notes |
|---|---|---|
| TCP | 5060 | Standard SIP. |
| TLS | 5061 | Recommended. Required with Secure Mode. |
Media (RTP)
Section titled “Media (RTP)”Real-time media uses 13.202.4.3 (IN).
| Protocol | Port range | Notes |
|---|---|---|
| RTP | 16384–32768 | Standard media transport. |
| SDES-SRTP | 16384–32768 | Recommended. Required with Secure Mode. |
Next steps
Section titled “Next steps” SIP Trunking Create and configure a trunk in the dashboard.