Specifications
Telnyx's technical specs: Whitelisting, SIP protocols, STUN server, DTMF, and more.
Whitelisting Telnyx IP AddressesWe will explain what Telnyx IP Addresses you will need to whitelist to ensure your service works properly.
SIP protocols that Telnyx usesWondering what SIP transport protocols are used at Telnyx? Find out more here.
Do you have configuration examples?Need configuration examples to help get you set up with Telnyx? Find out more here.
Telnyx STUN and TURN serverIn this article we will explain how you can leverage Telnyx's STUN server.
Register multiple devices on one ConnectionNeed to register multiple devices to a single SIP connection? Find out how here.
Telnyx Recommended Hardware ConfigurationsHere we will explain what hardware configurations we recommend at Telnyx.
Does Telnyx encrypt communication?Telnyx ensures secure calls with optional TLS signaling and SRTP media encryption.
Does Telnyx support conference calls?Need conference calling? Telnyx is compatible with many platforms that allow conference calls.
VoIP/telecommunications protocolsRTP, UDP, TCP, SIP, SDP... Learn their meaning and how they apply to telecommunications.
What is DTMF?In this article we will explain DTMF and what it might mean for your business.