Wholesale voice that pays for itself. Carrier-grade, A-Z.
Premium CLI termination, real-time least cost routing, and elastic SIP trunking on one interconnect, with a rate deck in your inbox within two hours.
CLI routes that actually deliver. Every tier tested, every route monitored.
Our tiered route system balances quality and cost, from enterprise traffic to high-volume outbound campaigns.
Tier-1 carrier backbones only, with full caller ID delivery and the lowest post-dial latency.
- Caller ID delivered on every call
- Tier-1 carrier backbone only
- Priority queue, lowest latency
- Best for enterprise & CCaaS
CLI pass-through on a blended premium carrier pool, the sweet spot of quality and cost.
- CLI pass-through guaranteed
- Blended premium carrier pool
- Quality without the cost trade-off
- Ideal for resellers & mid-market
High-capacity routes with no caller ID requirement, the best economics for bulk dialing.
- No caller ID requirement
- Highest volume capacity
- Best margin routes available
- Campaign & bulk dialing optimised
Every call takes the cheapest quality route. Automatically.
Real-time carrier scoring drops your international termination costs, with no rate decks to manage by hand.
Call arrives
Your SIP trunk receives the INVITE. Destination number, caller ID, and time-of-day context are captured instantly.
LCR engine scores routes
Our least cost routing engine evaluates live carrier routes in real time, weighing price, quality history, and latency simultaneously.
Best route wins
The winning carrier gets the call in milliseconds. Automatic failover selects the next-best option if a route fails, with zero gaps.
The margin is in the details legacy carriers gloss over.
What separates a partner that grows your margin from one that erodes it: billing honesty, fraud protection, and who picks up at 3 a.m.
Typical cost-per-minute reduction operators see after switching their A-Z traffic onto our real-time LCR engine.
Per-second billing, no rounding
Pay for the exact seconds you use, with no 60/60 rounding or padded month-end invoices.
Fraud firewall on every account
AI anomaly detection flags spikes and call-pumping in real time, with spend caps that contain your exposure.
CLI delivery you can verify
Caller ID passes through cleanly on premium routes, so your answer rates stay high.
Elastic capacity, never a ceiling
Burst to thousands of concurrent channels on demand, with no re-negotiation or dropped calls at peak.
A NOC that answers, not a ticket queue
Real voice engineers monitor your routes 24/7, often fixing quality dips before you notice.
One platform. Three very different use cases.
White-label routes, your brand, your margin.
Resell termination under your own brand, with full control of rate decks and billing.
- White-label rate deck builder
- Reseller portal & sub-accounts
- Real-time margin dashboards
Global reach, a single SIP trunk.
One carrier-grade trunk replaces dozens of regional carriers, at lower cost.
- A-Z international termination
- Dedicated Tier-1 routes
- CRM & CCaaS integration
Programmatic voice at wholesale rates.
Build voice into your platform with our API, billed at true wholesale.
- Voice API with webhooks
- SIP trunking with failover
- Usage-based billing via API
Why teams walk away from legacy carriers and don't look back.
Negotiate rates with multiple regional carriers for coverage
One agreement, one rate deck, full A-Z coverage
Static rate decks updated once a quarter
LCR engine updates routes in real time, every call
Manual failover means calls drop before you notice
Automatic failover in milliseconds, callers never know
SIP trunking capacity is a ceiling you hit suddenly
Elastic channels burst on demand, no ceiling
Quality reports arrive as a spreadsheet, a week late
Live ASR, ACD, and PDD dashboards per destination
Toll fraud lands on your invoice before anyone reacts
Fraud firewall caps exposure and alerts in real time
The infrastructure behind carrier-grade voice.
Carrier customers need specifics. Here they are, no vague claims, just the stack.
Signalling & transport
- SIP over UDP, TCP, TLS
- SRV record failover
- IPv4 & IPv6 dual-stack
- SS7 interconnect available
Codecs
- G.711 (a-law / u-law)
- G.729 compression
- Opus HD voice
- iLBC narrowband
Compliance & security
- STIR/SHAKEN attestation
- GDPR & CCPA ready
- SOC 2 Type II certified
- TLS + SRTP encryption
Capacity & scaling
- High concurrent channel support
- Burst capacity on demand
- Geo-redundant PoPs
- No per-channel cap
Worldwide coverage. Every major route, premium quality.
Full A-Z termination, so your traffic reaches any destination, not just the popular ones.
From first email to live traffic in 48 hours.
Get your rate deck
Tell us your destinations and volume. A customised A-Z rate deck lands in your inbox within two business hours, no call required.
Test on live routes
We load trial credit so you can run real traffic. Verify ASR, ACD, and CLI delivery on your own dialer before you commit a cent.
Go live and scale
Sign once. Your interconnect activates within 48 hours and burst capacity grows with you, no re-negotiation as volume climbs.
Questions carriers and resellers ask us most.
Your rate deck, delivered in two hours.
One agreement covers A-Z termination, SIP trunking, and DID numbers, at rates that move when yours need to.
Already moving traffic? letsdial can accept a live interconnect within 48 hours.