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Network Infrastructure

Direct Carrier Connections,
Not Grey Routes

BulkSMSHub operates direct SS7 interconnections with 190+ mobile network operators in 70+ countries, with direct operator relationships in key markets including UAE, Saudi Arabia, India, Nigeria, Singapore, UK and the USA. We are not a grey route provider.

📱 190+ Countries 🔐 Direct SS7 Connections ⚡ Sub-1s OTP Delivery 📊 99.95% Delivery SLA

What "Direct Routes" Means

In the bulk SMS industry, route quality determines delivery speed, accuracy and compliance. Here is how BulkSMSHub's routing compares:

Route TypeHow It WorksBulkSMSHub Position
✓ Direct / Tier-1Direct SS7 to mobile operator. Fastest, most reliable, DLR accurateUsed in UAE, India, KSA, Singapore, Nigeria, UK, Australia
◯ Direct AggregatorOfficial bilateral agreement with Tier-1 carriers. Near-direct qualityUsed in 130+ additional countries
✗ Grey / UnregisteredUnregistered SIM farms, no DLR, blocked by carriersNever used. Zero tolerance policy

GCC & MENA Direct Carrier Connections

🇦🇪

UAE — Direct

Etisalat (e&) — Direct SS7 bilateral
du (EITC) — Direct SS7 bilateral
TDRA-registered sender IDs. Sub-800ms OTP delivery. DLR 99.7%+

✓ Sender ID registration handled end-to-end by BulkSMSHub compliance team

🇸🇦

Saudi Arabia — Direct

STC — Direct interconnect
Mobily (Etihad Etisalat) — Direct
Zain KSA — Direct
CITC-compliant sender IDs. Arabic content supported.

✓ CITC sender ID pre-registration managed by our Riyadh compliance desk

🇶🇦

Qatar — Direct

Ooredoo Qatar — Direct
Vodafone Qatar — Direct
CRA-compliant routes. Arabic & English. 100% coverage.

🇰🇼

Kuwait — Direct

Zain Kuwait — Direct
Ooredoo Kuwait — Direct
VIVA (STC) — Direct
CITRA-compliant. Full national coverage.

🇱🇧

Lebanon / Jordan / Iraq

Tier-1 aggregator routes with bilateral agreements. CRA & TRC compliance. Dedicated MENA route team in Dubai.

🇺🇪

Egypt / North Africa

Vodafone Egypt, Orange Egypt, Etisalat Misr — all direct aggregator routes. NTRA-registered.

Asia Pacific Direct Connections

🇮🇳

India — Direct + DLT

Jio, Airtel, Vi, BSNL — all direct TRAI-registered routes
DLT registration managed. Sub-1.2s OTP. Full DLT entity + template support.

🇸🇬

Singapore — Direct

Singtel, StarHub, M1 — direct. PDPA-compliant. BulkSMSHub Global HQ is in Singapore.

🇦🇺

Australia — Direct

Telstra, Optus, Vodafone AU, TPG — direct. ACMA Spam Act 2003 compliant. Shared & dedicated shortcodes available.

Technical Infrastructure

⚙️ Core Platform

✓
SS7 Signalling — Direct MAP (Mobile Application Part) connections to HLR/VLR for real-time subscriber status
✓
SMPP Protocol — SMPP v3.4 connections to carrier SMSCs. No HTTP-to-SMPP bridging that adds latency
✓
Active Failover — Automatic route failover in <300ms. Primary + secondary + tertiary routes per country
✓
Message Queuing — Distributed queue handles 10M+ messages/hour burst capacity
✓
DLR Accuracy — Carrier-native delivery receipts. No simulated DLRs. 99.7%+ DLR match rate
✓
Two-Way SMS — Dedicated inbound numbers and shortcodes for MO (Mobile Originated) traffic

🏢 Data Centre Infrastructure

🇸🇬
Singapore (Primary) — AWS ap-southeast-1, ISO 27001 Tier-3 DC. Global routing hub
🇦🇪
Dubai (MENA) — DU-hosted carrier-grade DC. Direct Etisalat & du SMSC links
🇺🇸
Virginia, USA (Americas) — AWS us-east-1. 10DLC-registered routes
🇩🇪
Frankfurt (EU) — AWS eu-central-1. GDPR data residency. EU routes
🇮🇳
Mumbai (South Asia) — Direct TRAI/DLT-compliant India routes
⚡
99.99% Platform Uptime — Multi-AZ, multi-region redundancy. Status: status.bulksmshub.com

Ask Us Directly About Route Quality

Our network team will answer specific questions about carrier connections, DLR rates and sender ID availability for your target markets.