VoiceTel

Wholesale telecommunications

Twilio-compatible voice on wholesale carrier infrastructure.

Run compatible Programmable Voice workloads without rewriting call logic. Bring your own speech, storage, and AI vendors. Pay published carrier rates without platform markup.

View pricing Check compatibility Open an account
Network status · 6 POPs · 3 cloud regions
Operating since
1999· 27 yrs
FCC + RMD registered
POPs
6· 2 continents
NYC · ORD · DEN · DFW · SJC · AMS
Twilio compat
94.1%
every voice verb except <Pay>
Real volume discount
30%
Modeled rates. Confirmed terms.

Network footprint

See the infrastructure
Map of VoiceTel colocation POPs and cloud regions. Colocation POPs: New York (NYC), Chicago (ORD), Denver (DEN), Dallas (DFW), San Jose (SJC), Haarlem (AMS). Cloud regions: us-east-1 (N. Virginia), us-east-2 (Ohio), us-west-1 (N. California).

For developers

Run your Twilio voice application on VoiceTel without rewriting call logic. Line-item pricing. Test call in five minutes.

Start building

For integrators and resellers

Wholesale carrier access that doesn't compete with you for your customer. Multi-tenant billing and the SDN appliance for plug-and-play SIP traversal.

Partner with VoiceTel

For larger organizations

27 years in business — ISP roots, now a full-stack carrier. CLEC + FCC + Robocall Mitigation Database registered. Migration playbook for cutover from your current provider.

Talk to VoiceTel

Voice

Wholesale voice for managed service providers, carriers, and operators.

STIR/SHAKEN attestation. Global colocation footprint and cloud regions. US-based NOC. Bring your own STT, TTS, and recording storage — pay providers directly, no VoiceTel markup.

See voice features Integration guides
Voice path between the phone network and your PBX. PSTN (Tier-1 carriers), then VoiceTel POP (STIR/SHAKEN signed), then SIP trunk (inbound + outbound), then Your PBX or app (SIP or VoiceML).

Platform features

  • Verified Calling

    STIR/SHAKEN attestation on every call, backed by real-time threat detection and fraud mitigation.

  • Wholesale Economics

    Published rates, scalable volume discounts, and direct access without contact-sales gates or hidden markups.

  • Resilient Network

    Geographically diverse POPs with redundant Tier-1 carrier interconnects for dependable performance.

  • Operator Support

    US-based NOC support from engineers who understand carrier-grade voice, messaging, and IP services.

VoiceML

Run your Twilio app on VoiceTel without rewriting code.

Same <Say>, <Gather>, <Dial>, and <Record>. Compatible webhook signatures. Volume discounts your finance team will notice.

  • Say · Gather · Dial
  • Record · Conference · Queue
  • Connect · ConversationRelay
  • Webhook signatures
Explore VoiceML Validate VoiceML
How a VoiceML call flow runs. Inbound call (caller dials in), then Your app (returns VoiceML), then <Gather> (Press 1 to connect), then <Dial> (caller connected).

Messaging

SMS, MMS, and RCS at wholesale rates.

A2P 10DLC for high-volume application messaging. Inbound included. Webhook delivery to your endpoint. No per-message platform tax.

See messaging 10DLC registration guide
Two-way messaging between your app and a customer. Your app (POST …/Messages), then VoiceTel (A2P 10DLC route), then Mobile Carrier (SMS · MMS · RCS), then Mobile Handset (customer replies). Reply → inbound webhook or email delivery.

Numbers

Local DIDs, toll-free, and porting.

Wholesale rates on every number type. Per-number e911 provisioning. CNAM, LIDB, and caller-ID services available. Port local, toll-free, and mobile numbers with coordinated cutover support.

Get numbers Port a number
Number lifecycle from search to service. Search (local · toll-free), then Provision (or port in), then Route (SIP · VoiceML), then Configure (SMS · MMS · RCS, LIDB · CNAM · E911).

AI Agents

Voice and chat AI on the Twilio AI Assistants API.

Configure assistants with a model, instructions, tools, and knowledge resources. Connect voice sessions through VoiceML and inspect session history through the API.

  • Assistants · Tools
  • Knowledge · Sessions
  • Feedback · Policies
Explore AI Agents Explore Conversations
A voice agent call through ConversationRelay. Caller (speaks), then VoiceML (<ConversationRelay>), then Your WebSocket (prompt · text), then AI Assistant (tools · knowledge). text reply → spoken to the caller (TTS).

SDN appliance

Plug-and-play SIP traversal.

Place a Raspberry Pi in your LAN; it tunnels to the VoiceTel network. Solves NAT, ALG, UDP timer, and firewall misconfiguration without changing your routing policies. Works perfectly with multi-homed devices — calls don’t drop when the connection changes.

Learn about SDN PBX setup guides
SDN appliance tunnel from your LAN to VoiceTel. Phones + PBX (10.0.0.0/24), then SDN appliance (Raspberry Pi), then Your firewall (no routing changes), then VoiceTel Network (closest POP).

Phone apps

VoIP calling on web, desktop, and mobile.

VoIP calling on web (no install), Windows, macOS, Linux, iOS, and Android. WebRTC media. One app, three form factors.

Get the app View applications
VoiceTel Phone on web, desktop, and mobile. Web (WebRTC · no install), Desktop (macOS · Windows · Linux), Mobile (iOS · Android), each signing in with Your VoiceTel account (SIP credentials).

Pricing

Wholesale rates, in plain numbers.

Every line item published. No “contact sales” gates. STT, TTS, and recording storage paid directly to your chosen provider with zero VoiceTel markup.

See pricing Open an account
Outbound US voice rate by monthly volume. Under 100K min · list: $0.0100 per minute; 200K min: $0.0078 per minute; 1M min: $0.0051 per minute; 5M+ min · floor: $0.0010 per minute.

Documentation

Reference, guides, and migration playbooks.

VoiceML reference, REST API, integration guides for major PBX platforms and firewall vendors, and a five-minute migrate-from-Twilio playbook.

Read the docs Migrate from Twilio
Migrating a Twilio SDK app to VoiceTel. Existing app (Twilio SDK), then Point the host (voiceml.voicetel.com), then Swap credentials (VoiceML account), then Validate (VoiceML validator).

Migrating from Twilio?

Point your app at VoiceTel, swap credentials, and validate your markup. The playbook takes about five minutes.

Read the playbook Talk to VoiceTel

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