WHOLESALE VoIP SOLUTION

Carrier-Grade Voice.
Scale Without Limits.

Softtop's wholesale VoIP solution gives US carriers, ITSPs, call centers, and high-volume enterprises a smarter way to scale voice — with direct Tier-1 routes, transparent A–Z rates, and 99.99% network uptime.

WHOLESALE VoIP ROUTES — LIVE
CONNECTED
USA Tier-1 CLI
ASR 94%LIVE
UK Mobile
ASR 79%LIVE
Germany Fixed
ASR 83%LIVE
India Mobile
ASR 72%LIVE
A–Z International
ASR 68%LIVE
Unlimited
Concurrent Channels
Per-Second
Billing
<45 ms
Latency
WHAT IS A WHOLESALE VoIP SOLUTION?

Buy Voice Capacity in Bulk,
Not Line by Line.

Buy voice services — termination, origination, and DIDs — in bulk at carrier-level pricing instead of retail per-minute rates. High completion rates, low post-dial delay, and consistent quality across the US and 200+ international destinations.

For resellers, contact centers, and SaaS platforms that depend on voice, it is the foundation of profitable, scalable communications — billed per-second at sub-cent rates.

Read our wholesale VoIP explainer →
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Instead of paying retail rates per line, you buy capacity in millions of minutes and hand routing to a wholesale carrier with tier-1 interconnects.

📡SIP / TLS / SRTP signalling
🌐A–Z termination, 200+ countries
⚡Per-second billing, no rounding

The global wholesale voice market is projected to hit $44.53 billion this year, growing at a 10.58% CAGR through 2031. Source: Mordor Intelligence ↗

WHY CHOOSE SOFTTOP

Six Reasons Operators Switch
to Softtop Wholesale VoIP

01
Tier-1 US Routes

Direct CLI and non-CLI routes across all 50 states with industry-leading ASR and ACD.

02
Competitive A–Z Rates

Bulk pricing on US domestic, toll-free, and international destinations — refreshed weekly.

03
Carrier-Grade Infrastructure

Geo-redundant softswitches in US data centers backed by a 99.99% uptime SLA.

04
Flexible SIP Trunking

Unlimited concurrent channels, IP authentication, and G.711, G.729, and OPUS codec support.

05
Real-Time Analytics

Live dashboards for CDRs, route performance, and minute consumption — by destination.

06
24/7 US-Based NOC

Engineers available around the clock for troubleshooting, route updates, and escalations.

KEY FEATURES

Everything Your Voice
Operation Needs

High-capacity SIP termination and origination
US local DIDs, toll-free numbers, and international numbers in 80+ countries
Least Cost Routing (LCR) and quality-based routing logic
Anti-fraud filtering and real-time traffic monitoring
White-label reseller portal with self-service provisioning
US local number porting (LNP) support
HD voice plus STIR/SHAKEN-compliant call signing
SIP TRUNK CONFIGURATION
ProtocolSIP / TLS / SRTP
CodecsG.711 · G.729 · OPUS
ChannelsUnlimited concurrent
Auth MethodIP Authentication
LCREnabled — per destination
STIR/SHAKENAttestation Level A
BillingPer-second · No rounding
NOC24/7 · US-based engineers
WHO USES OUR WHOLESALE VoIP SERVICES

Built for Operators That Move Serious Volume

Businesses that rely on VoIP technology at scale choose wholesale access for the cost efficiency and route control it provides.

VoIP Resellers & ITSPs

Launch a voice business with white-label tools and reseller-friendly margins.

Call Centers & BPOs

Outbound and inbound calling at the lowest cost per minute without sacrificing quality.

CPaaS & SaaS Platforms

Embed carrier-grade voice into your application via SIP or REST API.

High-Volume Enterprises

Replace expensive PRI lines with elastic, IP-based trunking at any scale.

International Carriers

Send and receive US-bound traffic through clean, STIR/SHAKEN compliant routes.

TRANSPARENT PRICING

Volume-Based Rates. No Hidden Surcharges.

Softtop publishes volume-based pricing with no setup fees, no long-term contracts. Most accounts are quoted within 24 hours.

Destination
Tier-1 CLI Rate
Aggregator Non-CLI
BESTUS Fixed (Tier-1 CLI)
$0.0035/min
$0.0020/min
UK Mobile
$0.0150/min
$0.0090/min
Germany Fixed
$0.0040/min
$0.0025/min
India Mobile
$0.0090/min
$0.0065/min

Higher monthly commitments unlock deeper discounts, dedicated route engineering, and priority routing. Whether you send 100,000 or 100 million minutes per month.

US-FOCUSED. GLOBALLY CONNECTED.

All 50 States Covered.
200+ Countries Reachable.

Direct Tier-1 carrier relationships mean cleaner CLI delivery, fewer dropped calls, and full STIR/SHAKEN attestation — so your outbound calls reach customers instead of landing in spam.

🇺🇸US Tier-1 Interconnects
✅STIR/SHAKEN Attestation A
🌐200+ International DIDs
🛡️FCC Robocall Mitigation DB
US State Coverage — All 50 States
CA
TX
FL
NY
PA
IL
OH
GA
NC
MI
NJ
VA
WA
AZ
MA
TN
IN
MO
MD
WI
CO
MN
SC
AL
LA
KY
OR
OK
CT
IA
UT
NV
AR
MS
KS
NM
NE
WV
ID
HI
NH
ME
RI
MT
DE
SD
ND
AK
VT
WY
All states active — CLI + non-CLI + LCR routes available
FAQ

Common Questions About Wholesale VoIP

Everything operators ask before switching to Softtop.

Wholesale VoIP delivers voice termination, origination, and DIDs in bulk at carrier-grade pricing for resellers, call centers, and carriers, while retail VoIP serves end users on a per-line basis. Wholesale focuses on volume, route quality, and margins rather than per-seat features.
Most accounts are provisioned and live on the network within one business day after IP verification and route testing. Our onboarding team handles SIP configuration, codec setup, and initial traffic validation.
Yes. All US-bound calls are fully STIR/SHAKEN-attested at Level A for verified traffic, protecting your call delivery rates and brand reputation from spam labeling.
No. Softtop offers prepaid and postpaid wholesale VoIP accounts with no mandatory minimums, though higher monthly volumes unlock better A–Z termination rates, dedicated route engineering, and priority routing.
CLI routes guarantee your caller ID is passed to the called party, delivering higher ASR and protecting sender reputation. Non-CLI routes are priced lower but may mask or strip caller ID, which lowers answer rates. Most operators run both on the same account, split by trunk or dial-plan.

Ready to Scale Your Wholesale Voice?

Spin up a test trunk, validate route quality, and go live within 24 hours — no commitment required.

Start Trial →View Plans →