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Specification sheet · Messaging & A2P SMS

Dollu Ltd

dollu.com

[email protected]

+91 777-500-2222

A2P SMS (Enterprise Messaging)

Application-to-person SMS for OTPs, alerts, notifications and promotions - delivered over direct operator routes with registered sender IDs, DLT and 10DLC compliance, and SMPP or HTTP API integration.

A2P SMS for OTPs, alerts and promotions over 800+ direct operator routes, with sender ID registration, DLT/10DLC compliance, SMPP/HTTP APIs and a campaign portal.

Operator connections
800+
Countries reachable
220+
Messages per second
10k+

At a glance

  • 800+ operator connections reaching 220+ countries
  • Direct routes that preserve alphanumeric and numeric sender IDs
  • DLT, 10DLC and sender ID registration managed for you
  • SMPP 3.4, REST/HTTP API, SMTP-to-SMS and campaign portal
  • Priority queues keep OTPs ahead of promotional traffic
  • Two-way SMS on long codes, short codes and virtual numbers
  • Handset-level delivery receipts and real-time analytics
  • Prepaid or postpaid; USD, EUR, GBP and INR billing

Typical use cases

  • 01Banks and fintechs
  • 02E-commerce and logistics
  • 03Healthcare providers
  • 04SaaS and ISVs
  • 05Government and utilities

Technical & commercial specifications

Coverage220+ countries and territories; 800+ operator connections
ConnectivitySMPP 3.4 (TLS optional), REST/HTTP API, SMTP-to-SMS, web portal
ThroughputFrom 50 to 10,000+ messages per second per account
Sender typesAlphanumeric, numeric long code, short code, virtual mobile number
EncodingGSM-7 and UCS-2 (Unicode); concatenation up to 10 segments
Delivery receiptsHandset-level DLRs via SMPP deliver_sm or HTTP webhook
ComplianceDLT (India), 10DLC (US), TCPA, GDPR, per-country sender ID rules
Two-wayMO on long codes, short codes and VMNs in 100+ countries
BillingPer submitted or delivered message by destination; prepaid or postpaid
Support24×7 NOC; P1 response ≤ 15 min; named account manager

Talk to Dollu about A2P SMS

Send us your destinations, volumes, sites or use case and we will return a proposal, pricing and a technical plan within one business day. Test credentials and the full service description and SLA document are available on request.

NOC
[email protected] · 24×7

Dollu Ltd · 2403A, Iconic Corenthum, Sector 62, Noida 201301, India. This sheet summarises the standard service; specifications may vary by country and are confirmed in the service order.

Online version: https://dollu.com/services/messaging/a2p-sms