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Overview

After creating your Telepath connection, configure your telephony carrier to route calls through Telepath’s infrastructure. All carriers require:
  • Origination URI: sip:{your-sip-username}@sip.telepathvoice.com
  • SIP Username: From your Telepath connection
  • SIP Password: From your Telepath connection
  • Protocol: UDP or TLS (both supported)
  • Codecs: G.711 (PCMU/PCMA) or G.722 (HD audio)

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Twilio

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Prerequisites

  • Active Twilio account with phone number
  • Twilio SIP trunk capability

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Step-by-Step

  1. Log into Twilio Console
  2. Navigate to Voice → Trunks
  3. Create a new trunk or edit existing:
    • Name: Give your trunk a descriptive name
    • Region: Select closest to your users
  4. Configure Origination:
    • Click Origination in the left sidebar
    • Under “Origination SIP URI”, enter: 
      sip://{your-sip-username}@sip.telepathvoice.com
    • Set protocol to TLS (recommended) or UDP
    • Save
  5. Set SIP Authentication:
    • Click Credentials in the left sidebar
    • Create or select SIP credentials:
      • Username: Your Telepath SIP username
      • Password: Your Telepath SIP password
    • Save
  6. Configure Inbound Dialing:
    • In trunk settings, set where inbound calls go
    • You can point to TwiML or a webhook
    • Or route to a Twilio phone number
  7. Test:
    • Call your Twilio number
    • Monitor in Telepath dashboard
Twilio typically takes 2-5 minutes to activate SIP changes. If calls don’t route immediately, wait a few minutes and try again.

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Telnyx

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Prerequisites

  • Active Telnyx account
  • Purchased phone number or DID

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Step-by-Step

  1. Log into Telnyx Portal
  2. Navigate to SIP Trunks → Outbound Voice
  3. Create or Edit Trunk:
    • Name: Descriptive trunk name
    • Tags: Optional (for organization)
  4. Configure Origination:
    • Set Outbound Voice URI to: 
      sip://{your-sip-username}@sip.telepathvoice.com
    • Set Origination Server Address to: 
      sip.telepathvoice.com
  5. Add SIP Credentials:
    • Click Credentials section
    • Add authentication:
      • Username: Your Telepath SIP username
      • Password: Your Telepath SIP password
  6. Enable Codecs:
    • Ensure G.711 and G.722 are selected
    • Disable any unsupported codecs
  7. Assign to Phone Number:
    • In Phone Numbers, assign this trunk to your DID
    • Inbound calls will route through this trunk

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Vonage (Nexmo)

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Prerequisites

  • Active Vonage account
  • Vonage virtual number

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Step-by-Step

  1. Log into Vonage Dashboard
  2. Navigate to Voice → SIP Trunks
  3. Create New Trunk:
    • Name: Descriptive name
    • Origination Server: sip.telepathvoice.com
  4. Inbound URI:
    • Set to: sip://{your-sip-username}@sip.telepathvoice.com
  5. Authentication:
    • Username: Your Telepath SIP username
    • Password: Your Telepath SIP password
  6. Link to Virtual Number:
    • In Virtual Numbers section
    • Assign trunk to your number
    • Confirm routing

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Bandwidth

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Prerequisites

  • Active Bandwidth account
  • Configured SIP account

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Step-by-Step

  1. Log into Bandwidth Portal
  2. Navigate to Account → SIP Peers
  3. Create SIP Peer:
    • SIP Peer Name: Telepath connection
    • Type: Termination
  4. Configure Termination:
    • Termination URI: sip://{your-sip-username}:5060@sip.telepathvoice.com
  5. Authentication:
    • Enable SIP Credentials
    • Username: Your Telepath SIP username
    • Password: Your Telepath SIP password
  6. Route Calls:
    • Link your phone number to this SIP peer
    • Inbound calls will route through Telepath

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SignalWire

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Prerequisites

  • Active SignalWire account
  • Purchased phone number

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Step-by-Step

  1. Log into SignalWire Dashboard
  2. Navigate to Voice → Trunks → Inbound
  3. Create Inbound Trunk:
    • Name: Telepath trunk
    • URI: sip://{your-sip-username}@sip.telepathvoice.com
  4. Set Credentials:
    • Username: Your Telepath SIP username
    • Password: Your Telepath SIP password
    • Enable TLS
  5. Configure Endpoints:
    • Point to your application endpoint
    • Or set up call routing logic

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Plivo

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Prerequisites

  • Active Plivo account
  • Plivo phone number

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Step-by-Step

  1. Log into Plivo Console
  2. Navigate to Voice → SIP Endpoints
  3. Create SIP Endpoint:
    • Name: Telepath Connection
    • SIP URI: {your-sip-username}@sip.telepathvoice.com
  4. Set Trunk:
    • In Endpoints, create outbound rule
    • Trunk: Create new trunk pointing to sip.telepathvoice.com
    • Credentials: Your Telepath SIP username/password
  5. Link to Phone Number:
    • Assign endpoint to your phone number
    • Inbound calls route to Telepath

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Codec Configuration

All carriers support both standard and HD audio:

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G.711 (Narrowband)

  • Sample Rate: 8kHz
  • Bandwidth: Lower (8kbps)
  • Compatibility: Universal support
  • Quality: Standard voice quality

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G.722 (Wideband/HD)

  • Sample Rate: 16kHz
  • Bandwidth: Higher (16kbps)
  • Compatibility: Most modern systems
  • Quality: Enhanced clarity
Use G.722 when possible for clearer audio and better AI understanding.

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Verification

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Test Your Setup

  1. Confirm in Telepath Dashboard:
    • Connection shows Active
    • Recent calls appear in call log
  2. Make a Test Call:
    • Call your phone number
    • Should connect to your AI agent
    • Verify natural conversation
  3. Check Metrics:
    • View call details in dashboard
    • Verify Carrier Lag and AI Latency

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Troubleshooting Connections

Calls not routing:
  • Verify origination URI is correct
  • Check SIP username/password match
  • Ensure carrier is using correct protocol (UDP/TLS)
Poor audio quality:
  • Try switching codecs (G.722 vs G.711)
  • Check network quality on carrier side
  • Review Carrier Lag metrics in dashboard
Authentication failures:
  • Double-check credentials
  • Ensure spaces are trimmed
  • Regenerate password if uncertain

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FAQ

Can I use multiple carriers? Yes, create separate connections for each carrier. What if my carrier isn’t listed? See Advanced Integration for custom SIP configurations. Can I change carriers later? Yes, create a new connection and update your phone number routing. How long does activation take? Usually 2-5 minutes, but some carriers may take up to 1 hour.