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Prerequisites

  • A Telnyx account
  • Access to Telnyx Mission Control Portal
  • Your Callers account credentials

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Step 1: Create Credentials in Telnyx

  1. Log in to your Telnyx Mission Control Portal
  2. Navigate to Voice > SIP Trunking > Credentials
  3. Click + Add New Credentials
  4. Configure the credentials:
    • Set a descriptive name
    • Note down the username and password
    • Save your credentials
SIP devices need to be registered using Telnyx credentials in order to receive inbound calls. Refer to your Telnyx account’s Authentication and routing, Connection Settings to verify registration status.

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Step 2: Configure SIP in Callers

  1. Go to the Integrations tab in Callers
  2. Click Connect under SIP Integration
  3. Configure your SIP with the following settings:
    • URL: Choose the appropriate regional endpoint:
      • US: sip.telnyx.com (Primary: 192.76.120.10)
      • Europe: sip.telnyx.eu (Primary: 185.246.41.140)
      • Australia: sip.telnyx.com.au (Primary: 103.115.244.145)
      • Canada: sip.telnyx.ca (Primary: 192.76.120.31)
    • Port: 5060 (UDP/TCP) or 5061 (TLS)
    • Username: Your Telnyx Credentials username.
    • Password: Your Telnyx Credentials password.
    • Outbound authentication: Enable for authenticated outgoing calls.
      • Auth username: Your Telnyx SIP connection credentials username.
      • Password: Your Telnyx SIP connection credentials password.
    • Require SIP Register: Enable the option in order to place outgoung calls from Callers.
      • SIP Realm: sip.telnyx.com
SIP devices need to be registered using Telnyx credentials in order to receive inbound calls. Refer to your Telnyx account’s Authentication and routing, Connection Settings to verify registration status.

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Step 3: Purchase and Configure Numbers

  1. In Telnyx Portal:
    • Go to Numbers
    • Click Search & Buy Numbers
    • Purchase desired numbers
  2. For each number:
    • Click on the number to configure
    • Under Routing:
      • Set Connection to your SIP trunk
      • Configure failover options if needed

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Step 4: Configure Numbers in Callers

  1. Return to Callers’ Integrations tab
  2. Go to the Phone numbers section
  3. Click Add SIP Numbers
  4. For each number:
    • Enter the full E.164 format (e.g., +12025550123)
    • Select “Telnyx” as the provider
    • Enable “Use for outbound calls” if needed

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Important Notes

  • Regional Configuration: Choose the closest regional endpoint for optimal latency
  • Transport Protocols: Telnyx supports UDP/TCP (5060) and TLS (5061)
  • Failover: Configure both primary and secondary IPs for each region
  • Authentication: Use username/password authentication
  • Call Capacity: No limit on concurrent calls by default
For enhanced security and reliability:
  • Enable TLS encryption when possible
  • Configure both primary and secondary IPs
  • Set up failover routing
  • Monitor your connection status in Telnyx Mission Control
Telnyx Integration Guide