AVM Networks Limited
SMS & SMPP Ref: SMS Forum SMPP v3.4

SMPP

Short Message Peer-to-Peer

Direct Telecom Definition • Carrier Industry Standard

An industry-standard open protocol used by telecom carriers for exchanging SMS messages between SMSCs and ESMEs.

Technical Definition & Carrier Engineering Standards

SMPP version 3.4 is the protocol of choice for high-volume A2P SMS messaging, banking OTPs, and enterprise bulk notifications. It establishes persistent TCP/IP binds (transmitter, receiver, or transceiver) with asynchronous message queuing and instant delivery receipts (DLR).

Connected Software & Carrier Telecom Corridors

High-Volume SMS Corridors

India (+91) → USA (+1) → UK (+44) → UAE (+971) → Singapore (+65) → Germany (+49) →

Enterprise Dispatch Software

WhatsApp CRM Sender Software → RCS Business Messaging Platform → Omni-Channel Sender Gateway → AI Conversational Bot Engine →

Related Telecommunications Terminology

SMS & SMPP

TPS

The maximum throughput rate of messaging requests or signaling transactions processed by a telecom gateway per second.

SMS & SMPP

DLR

An asynchronous network status notification confirming whether an SMS was delivered, buffered, or rejected by the handset.

Quality Metrics

HLR Lookup

A real-time network intelligence query executed directly against the mobile operator Home Location Register (HLR) via SS7/SIGTRAN signaling to verify subscriber status, ported network (MNP), roaming country, and IMSI identifier.

SMS & SMPP

RCS

A next-generation telecom messaging protocol delivering verified sender IDs, rich media carousels, and interactive action buttons to native mobile messaging apps.

Full Glossary Index → Engineering Guides → Wholesale SMS Termination → Wholesale Voice →