Contact us
NYSE: IDT
Log in
Book a meeting
Sign up
Stay ahead with IDT Express
Home
Products

Discover how our products can revolutionize the way you communicate and collaborate.

Voice

Explore our advanced voice solutions designed to optimize your communication workflows.

Diverse range of DID number solutions designed to enhance your communication capabilities.

Experience unparalleled communication efficiency with our advanced SIP Trunking Solutions.

Cutting-edge technology to proactively detect and neutralize spam flags on your DID Numbers.

Enable your customers to connect with your business by dialing a toll-free number.

AI voice agents that handle calls, capture leads, and provide customer support automatically, anytime.
Messaging

Wherever your audience is, our platform ensures seamless messaging across diverse channels.

Build customer journeys by fostering interactive conversations, all within the framework of your app.ย 

Connect with your audience in a simple and effective way through our cutting-edge SMS platform.ย 

BYOC

Harness the power of IDT as your chosen carrier while leveraging your platform’s advanced features and services.

Learn more

Integrate Twilio with our robust carrier routing platform to achieve unparalleled Voice termination system.

Experience reliable and high-quality communication services while leveraging the advanced capabilities of Genesys.ย 

Integrate IDT with the collaborative strength of MS Teams, unlocking efficient and feature-rich communication.ย 

Experience the power of our carrier network seamlessly connected to Plivo through our cutting-edge BYOC solution.ย 

Tools

Experience the power of our online voice tools, designed to simplify communication management.ย 

Learn more

Ensure the authenticity and integrity of outbound calls with our STIR/SHAKEN Verification Check tool.ย 

User-friendly tool to verify the reputation of your business number, ensuring that it remains trusted.ย 

Compare and gain insights into outbound call expenses, optimize budget, and make informed decisions.ย 

Easily estimate and compare the costs associated with different DID numbers providers.ย 

Compare inbound VoIP rates among top CPaaS providers and optimize your inbound call costs.ย 

Generate custom SMS templates.ย 

Solutions

Array of comprehensive and innovative offerings tailored to address your unique business challenges.

Learn more
Over the Top App. (OTTs)
SIP Trunking Providers
Local Exchange Carrier
Calling Cards / Pinless Operators
Financial Services
Sales & Marketing
MVNO
Collections
Inmate Calling
BPO / Call Center
Cloud PBX
UCAAS / CPAAS
Voice Wholesalers
Resources

Empower yourself with the resources you need to thrive in the dynamic landscape of communication.

Articles covering a wide range of topics.

Discover our video guides.

Get answers to common queries.

Find instructions to make the most of our products.

Stay informed with today's most important news stories

Discover telecom insights and trends.

Find definitions of popular telecom terms.

Discover the upcoming events on our calendar
Company

A global telecom partner built to meet your needs.ย 

Discover the story behind our commitment to delivering innovative solutions to connect people and businesses worldwide.ย 

Learn about our robust network infrastructure that spans across the globe, ensuring reliable and secure connectivity.ย 

Got a question, feedback, or need assistance? Our dedicated team is here to help!

Find partners or sign up for partnership programs.

Book a meeting
Contact us
NYSE: IDT

IDT Express vs Twilio: wholesale voice, SIP trunking and BYOC pricing comparison.

Homeโ€บ Compareโ€บ IDT Express vs Twilio
IDT EXPRESS vs Twilio

The carrier behind the platform โ€” at wholesale rates.

Twilio doesn't own its network โ€” it buys wholesale voice termination from carriers including IDT Express. At volume, connecting to IDT directly removes the platform markup entirely.

Try & Get a $25 Credit See savings calculator
โœ“ 25+ years carrier experience โœ“ No credit card required โœ“ Cancel anytime
US outbound ยท per minute
Published rate
IDT Express
$0.004 /min
Wholesale, volume-based
VS
Twilio
$0.013 /min
Retail published rate
160+
Countries, A-Z
1,000+
CLI routes
20K+
Wholesale partners

The platform premium. Twilio's published outbound US rate is $0.013/min. IDT Express wholesale rates at volume are significantly lower. At 5M minutes/month, the difference can exceed $50,000 monthly.

Side-by-side breakdown

At a glance โ€” IDT Express vs Twilio.

Key categories for wholesale and enterprise buyers. The "Win" tag highlights the structural advantage in each category.

Category IDTEXPRESS Twilio
Network Carrier-owned Tier-1 global Win Relies on Bandwidth + partners
Coverage 160+ countries, A-Z Win 100+ countries via partners
Quality tiers Platinum / Gold / Instant Win Single tier
Pricing Wholesale per-minute, no markup Win $0.013/min US retail
DID numbers 140+ countries, API-first Win 100+ countries
BYOC support Native: Twilio, Teams, Genesys Win Not applicable (is the platform)
A2P SMS Direct carrier, SMPP + REST Strong US/CA, global via partners
Developer API Self-service portal, REST API Best-in-class SDKs & docs Win
Support 24/7 NOC + account managers Win Ticket-based most tiers
Free trial $25 credit, $100 min top-up $15 credit, no minimum
7/10
Categories where IDT Express wins outright โ€” including the four that compound at scale.
40โ€“70%
Typical per-minute cost reduction when migrating from Twilio retail to IDT Express wholesale.
10 min
Average setup time for BYOC โ€” keep every Twilio feature, pay carrier rates.
Why IDT Express wins at scale

Four structural advantages.

For operators routing 50,000+ minutes/month internationally, these differences compound month over month.

01
Own the network layer
IDT owns its Tier-1 carrier infrastructure. Twilio resells it. Direct connection removes one margin layer on every minute, every month, forever.
02
Three quality tiers
Route Platinum CLI to contact centres, Gold to bulk outreach, Instant to cost-sensitive traffic. Twilio offers one tier. Match the route to the workload.
03
A-Z termination, 160+ countries
1,000+ CLI-certified routes with 550+ direct carrier interconnects. Deep coverage in APAC, LATAM and MENA where retail providers thin out.
04
Native BYOC
Keep Twilio's developer platform. Route carrier traffic through IDT Express. Keep the APIs, lose the carrier markup. Setup in under 10 minutes.
Interactive tool

BYOC savings calculator.

Estimate how much you save by routing your Twilio voice traffic through IDT Express as your carrier โ€” at wholesale rates. Drag the sliders to model your traffic.

  • โœ“ Keep your existing Twilio apps and integrations
  • โœ“ Carrier-grade STIR/SHAKEN signing included
  • โœ“ No long-term contracts, no minimum volume
Live savings estimate
Monthly minutes 2M
Destination mix Mixed intl
Twilio retail
$26,000
per month
IDT Express BYOC
$10,000
per month
You save / month $16,000

Estimates only. Actual savings depend on destination mix and negotiated wholesale rates. Request a custom rate deck from IDT Express for precise figures.

Architecture

How BYOC works.

Keep every Twilio developer feature. Replace only the carrier layer.

Your app
Studio, Flex, custom
Twilio APIs
Voice SDK, webhooks
IDT Express BYOC
Carrier layer ยท wholesale
PSTN / mobile
160+ countries

Studio, Flex, Voice SDK, webhooks and every Twilio API continue working. The only change is that voice traffic exits via IDT Express's carrier network instead of Twilio's resold capacity โ€” at wholesale rates.

FAQ

Common questions.

Does IDT Express work as a Twilio BYOC carrier?
+
Yes. IDT Express has a native BYOC integration for Twilio. Setup credentials and documentation are available in the self-service portal after signup. Average setup time is under 10 minutes.
What are IDT Express termination rates vs Twilio?
+
Twilio's published US outbound rate is $0.013/min. IDT Express wholesale rates are volume-dependent โ€” request a custom rate deck. At 100,000+ minutes/month, the difference is typically 50โ€“70% per minute.
Can I migrate A2P SMS from Twilio to IDT Express?
+
Yes. IDT Express provides a full A2P SMS gateway with SMPP and REST API. Migration requires updating API credentials and endpoints โ€” the message format is standard.
Does IDT Express have better global coverage than Twilio?
+
IDT Express covers 160+ countries for voice termination versus Twilio's ~100. Both cover 140+ countries for DID numbers. IDT Express has deeper direct carrier coverage in APAC, LATAM and MENA.
Is IDT Express suitable if I'm building a new voice application?
+
IDT Express is optimised for operators, carriers and enterprises routing significant call volumes. For developers building a voice app from scratch, Twilio's SDK ecosystem is faster to get to production โ€” then migrate the carrier layer to IDT Express BYOC when volume justifies it.
What about STIR/SHAKEN and FCC compliance?
+
All IDT Express outbound voice is STIR/SHAKEN signed and FCC compliant. Attestation levels A, B, or C depending on number provisioning โ€” protecting your numbers from spam labels and improving answer rates.
Verdict

Who should choose what.

There's no single right answer โ€” but there is the right answer for your team's stage and volume.

01
Choose
IDT Express
Wholesale carriers, UCaaS/CPaaS builders, contact centres routing 50K+ min/month internationally. Or any Twilio customer wanting to cut carrier costs via BYOC.
02
Choose
Twilio
Developers building voice apps, startups under 10K min/month, and teams needing the full Twilio platform ecosystem (Flex, Segment, Studio).
โ˜…
Best of both
Use both
Keep Twilio's developer experience. Route carrier traffic through IDT Express BYOC. Best of both layers โ€” and 40โ€“70% lower per-minute cost at scale.
No commitment ยท No credit card

Start saving on your voice traffic today.

Sign up for a free IDT Express account, get $25 trial credit, and test Platinum CLI routes to your top destinations before making any commitment.

Get free $25 trial credit Request rate deck
No credit card required ยท No contract ยท Cancel anytime
Related: Voice Termination SIP Trunking BYOC for Twilio BYOC for Genesys BYOC for Teams DID Numbers SMS API Pricing Calculator