FAQs

Here you will answers to common questions about a variety of topics at Telnyx.

David Casem avatar T Dillin avatar +2
48 articles in this collection
Written by David Casem, Telnyx Engineering, Dillin and 2 others
Specifications

What IPs do I need to whitelist?

We will explain what IPs you will need to whitelist to ensure your service works properly.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

SIP protocols that Telnyx uses

Wondering what SIP transport protocols are used at Telnyx? Find out more here.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Do you have configuration examples?

Need configuration examples to help get you set up with Telnyx? Find out more here.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Does Telnyx have a STUN server?

In this article we will explain how you can leverage Telnyx's STUN server.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Register multiple devices on one Connection

Need to register multiple devices to a single SIP connection? Find out how here.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Telnyx Recommended Hardware Configurations

Here we will explain what hardware configurations we recommend at Telnyx.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Does Telnyx encrypt communication?

Configure SIP Connections to encrypt signaling (TLS) and media (SRTP, ZRTP)
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Does Telnyx support conference calls?

Need conference calling? Telnyx is compatible with many platforms that allow conference calls.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

VoIP/telecommunications protocols

RTP, UDP, TCP, SIP, SDP... Learn their meaning and how they apply to telecommunications.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

What is DTMF?

In this article we will explain DTMF and what it might mean for your business.
Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago