Wholesale Voice Termination
High-capacity international termination for mobile and fixed destinations over SIP-only interconnections.
- CLI & Non-CLI routes
- A–Z destination coverage
- Premium, Standard & Economy classes
- LCR, overflow & backup routing
Wholesale connectivity since 2010
Global Voice.
Global Voice.
Smarter SMS.
Carrier-grade wholesale Voice and A2P SMS termination, engineered for reliable routing, transparent billing, and compliant delivery at scale.
About Mainberg
Built to move global traffic with confidence.
Mainberg Limited delivers international wholesale voice services and communication infrastructure across global telecommunications markets.
Connected with tier-1, mobile, wholesale, and retail operators, our IP network routes millions of minutes every day while maintaining the clarity and support carrier partners expect.
2010Founded
500+Telecom operators
GlobalVoice & SMS coverage
Wholesale services
Two services. One dependable network.
Built exclusively for licensed carriers, aggregators, and communications providers.
Wholesale A2P SMS Termination
Secure, regulated delivery for OTP, transactional, and notification traffic.
- Direct operator & trusted hub routing
- SMPP & HTTP API connectivity
- Sender ID support where permitted
- Country-level routing control
Why Mainberg
Better Routes. Better Reach. Better Connectivity.
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Built for Scale
High-volume voice minutes and SMS throughput, backed by redundancy and route optimization.
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Transparency First
Accurate CDRs, predictable billing cycles, and a clearly defined dispute process.
✓
Compliance-Driven
Strong KYC, anti-fraud controls, and operator-aligned policies across Voice and SMS.
B2B
Carrier-Only Focus
Purpose-built for MNOs, IGWs, ILDs, wholesale carriers, aggregators, and CPaaS providers.
Always on
Quality watched around the clock.
Our 24/7 Network Operations Center monitors Voice and SMS traffic in real time, responding early to quality shifts and routing events.
ASRAnswer Seizure Ratio
ACDAverage Call Duration
PDDPost Dial Delay
DLR / TPSDelivery & throughput
Interconnection
A direct path from agreement to live traffic.
NDA & KYC verification
Rate and route exchange
SIP / SMPP setup
Test traffic validation
Commercial go-live
Ongoing optimization
Network reach
Connecting East and West.
POPs in the UK and Singapore support global Voice and SMS coverage across Asia, Africa, MENA, Europe, and LATAM.
500+Telecom operators
2Strategic POPs
5Key global regions
24/7Technical support
Partner ecosystem
Connected across the carrier landscape.
Tier-1 OperatorsMobile NetworksWholesale CarriersSMS AggregatorsCPaaS Providers