|TCP/TLS Proxy||tls.2talk.com (port 5061)|
|SIP Registration||18.104.22.168 (plus.2talk.com)|
|SIP Port – UDP||5060|
|SIP Port – TLS||5061 (ensure transport = TLS)|
|DNS Primary||22.214.171.124 (ns1.2talk.com)|
|DNS Secondary||126.96.36.199 (ns2.2talk.com)|
|Firewall IP Range||188.8.131.52/24|
If using TLS verify whether your PBX or IP phone requires a TLS flag to be set as transport per the example below.
|RTP||Set by your router (our port range is 30,000 – 40,000)|
|UDPTL||Set by your router (our port range is 40,000 – 50,000)|
Real-Time Protocol (RTP)
RTP is the protocol used to deliver audio and video over IP networks. RTP uses the UDP protocol because its efficient in low-quality networks such as phones communicating over the public internet. (NB – while your router sets the specific RTP port, we will accept communication between the 30-40k range).
We support TLS connections from devices that support this protocol for deployments that require increased security. You can use tls.2talk.com as your proxy/host but remember to set the transport to TCP via 5061.