The EBU has established the standard Tech 3326 in order to make audio codecs by different producers function together properly via the Internet. Tech 3326 describes the products and encoding processes an audio codec must support. It regulates that the same processes be used as were used for Internet telephony and VoIP. With this, it relies on well-established processes such as SIP, SDP, RTP and UDP.
The Sipcast.Net service enables you to connect two audio codecs via the Internet. It makes sure that your audio codec is available via a Sipcast number. Should both audio codecs be connected after a NAT router, audio data will be transferred. The audio codecs themselves will remain accessible behind a strong firewall via VPN.
A technological successor of SIP was invented in 2015. WebRTC is based on both SDP and RTP, but it is more secure and much more reliable, especially with firewalls and Internet connections with variable bandwidth. WebRTC is often implemented in web browsers because not even an audio codec or app is required to establish an audio connection.
Sipcast.Net supports WebRT and is hence future-proof. It even allows EBU Tech 3326 devices to call web browsers. Investment in audio codecs will consequently remain secure.