Tech

Creating a Transport Layer Security (TLS) Connection between Vodia and Telnyx

Published on:

June 30, 2023

This comprehensive guide outlines the setup of a secure Transport Layer Security (TLS) connection between Vodia and Telnyx, emphasizing the crucial aspects of data confidentiality and integrity. By following the steps provided, users can establish a secure SIP trunk connection. This TLS connection guarantees encrypted and secure communication, enhancing data protection and privacy for your business.

In this blog we guide you through the process of setting up a TLS connection between Vodia and Telnyx. TLS provides secure communication over the Internet, ensuring the confidentiality and integrity of data exchanged between the two systems; by following the stops below, you can establish a secure connection for your SIP trunk.

Connecting with Telnyx 

Create a SIP registration connection in Telnyx. 

Step 1: Connecting with Telnyx

Create a SIP registration connection in Telnyx.

  • Choose "Registration" as the type, then copy your SIP password.
  • The SIP password will be required when setting up the SIP trunk on the Vodia phone system.
  • Save and finish the registration.
Create a SIP Connection with Telnyx
Register a SIP Connection with Telnyx
  • Edit the connection and enable Secure Real-Time Transport Protocol (SRTP) under "Encrypted Media".
  • Save the configuration.

Note: Outbound settings already utilize SRTP settings from the inbound settings. 

Edit SIP Connection to enable SRTP

Step 2: Configuring the Vodia Phone System

  1. Navigate to the SIP trunk to create your Telnyx connection in the Vodia phone system.
  2. Click on "Add" and select "Telnyx."
  3. Enter your Telnyx SIP account details:
    • Name: Provide a name for your trunk.
    • Password: Enter your Telnyx SIP credentials.
    • User: Enter your Telnyx user account.
    • DID: If applicable, enter your Direct Inward Dialing (DID) number.
    • Save the configuration.
  4. Configure TLS under "Proxy Address" by using the following example:
    Proxy Address: sip:sip.telnyx.com;transport=tls

Navigate to the SIP trunk to create your Telnyx connection: Click on “Add” and select "Telnyx." 

Choose Telnyx from the service provider trunk list
Add password to create a SIP Connection with a service provider trunk

Configure the TLS under "Proxy Address" by using the following example:

  • Proxy Address: sip:sip.telnyx.com;transport=tls
Proxy Address to configure TLS

Step 3: Caller ID and Phone Numbers 

To define the Caller ID used when making calls from the Vodia system, follow these steps:

  1. Define the FROM headers and Remote Party ID under the SIP caller-ID presentation:
    • Choose "custom headers" from your Telnyx SIP trunk.
    • You can set up the Domain ANI in the Tenant general settings under "dom_settings.htm".
    • Alternatively, you can set up an ANI on the extension and instruct the header to use "Extension ANI".
  2. Save the settings.

Note: Read more information about Vodia tenant level.

SIP caller-ID Presentation

By following the above steps, you can establish a TLS connection between Vodia and Telnyx, ensuring secure and encrypted communication for your SIP trunk; this added layer of security helps protect your data and ensures the privacy of your calls. Implementing TLS is a crucial step in maintaining a secure communication infrastructure for your business.

Sample inbound show TLS 

INVITE sip:9787368016@54.146.189.63:43296;transport=tls;line=02522a2b SIP/2.0 Record-Route: <sip:192.76.120.10:5061;transport=tls;r2=on;lr;ftag=jBpNrQtFDFegp> Record-Route: <sip:10.255.0.1:5061;transport=tls;r2=on;lr;ftag=jBpNrQtFDFegp> Record-Route: <sip:10.13.247.8:6051;transport=tls;r2=on;lr;tnx=461.748> Record-Route: <sip:10.13.247.8:6050;r2=on;lr;tnx=461.748>

Sample outbound show 

INVITE sip:4001@96.237.116.94:65069;transport=tls;line=shb07dy9;wrtc=true SIP/2.0 Via: SIP/2.0/TLS 54.146.189.34:443;branch=z9hG4bK-0fda88b9200ab8e60062fc693972f2e8;rport

Latest Articles

View All

The Vodia PBX and AI Solutions for Healthcare

AI is rapidly reshaping the healthcare landscape by improving how providers communicate, manage patient information, and deliver care. The Vodia PBX combines unified communications with HIPAA-compliant AI features such as automated appointment scheduling, transcription of patient conversations, multilingual support, and telemedicine capabilities. These tools reduce administrative workload, improve patient compliance, and ensure that critical information is accurately documented and easily accessible. From small clinics to major hospitals, Vodia’s intelligent communication platform streamlines operations, enhances collaboration between staff and patients, and ultimately helps healthcare organizations deliver faster, more efficient, and more personalized care.

October 7, 2025

Improve Customer Experience with Vodia’s Agent Activity Dashboard

Every missed call or unresolved issue can cost your business, making agent performance critical for call center success. The Vodia Agent Activity Dashboard provides real-time insights into agent availability, queue performance, and call metrics, enabling supervisors to quickly identify performance gaps, optimize productivity, and enhance customer experience. Agents receive actionable feedback and targeted training, while teams gain the visibility needed to manage workloads efficiently and maintain high service standards. With live monitoring, historical analytics, and smart queue indicators, Vodia ensures every customer interaction is handled effectively, helping businesses stay ahead of expectations and deliver exceptional support.

September 30, 2025

Vodia Brings the Future of Hospitality Communication to NoVacancy Sydney 2025

Vodia participated in NoVacancy Sydney 2025, Australia’s largest conference and exhibition for the accommodation industry, showcasing its cloud PBX solutions designed specifically for hotels, resorts, and other hospitality venues. With advanced VoIP and AI-driven features, Vodia enables properties to provide guests with seamless, personalized experiences while streamlining operations, reducing costs, and boosting staff efficiency. The company highlighted its recent integration with the Shiji Property Management System (PMS) and Microsoft Teams certification, making it a versatile communication platform for both boutique hotels and multinational chains.

September 26, 2025