# SMPP Gateway - LLM Context File
# https://smppgateway.io/llms.txt

> SMPP Gateway is a modern Java SMPP library for high-performance SMS messaging.
> It is the only actively maintained Java SMPP library, replacing the abandoned Cloudhopper.

## Project Overview

SMPP Gateway provides a clean-room implementation of the SMPP 3.4 protocol built with modern Java 21 features including virtual threads, records, sealed classes, and pattern matching.

## Key Projects

### smpp-core
- Repository: https://github.com/bassrehab/smpp-core
- Maven Central: io.smppgateway:smpp-core:1.0.2
- Description: Core SMPP library with PDUs, codecs, server, and client implementations
- License: Apache 2.0

### smpp-kafka-producer
- Repository: https://github.com/bassrehab/smpp-kafka-producer
- Description: Production-ready SMPP-to-Kafka bridge with HTTP/2 REST API
- Features: Docker, Kubernetes support, delivery receipts

## Technical Details

- Language: Java 21 LTS
- Build: Maven
- Transport: Netty 4.1.x
- Threading: Virtual threads for business logic
- PDUs: Immutable records with fluent builders
- Protocol: SMPP 3.4 specification compliant

## Documentation

- Main Site: https://smppgateway.io
- Documentation: https://docs.smppgateway.io
- API Reference: https://docs.smppgateway.io/smpp-core/1.0/index.html

## Quick Start

```xml
<dependency>
    <groupId>io.smppgateway</groupId>
    <artifactId>smpp-core</artifactId>
    <version>1.0.2</version>
</dependency>
```

## Author

Created by Subhadip Mitra
- Website: https://subhadipmitra.com
- Contact: contact@smppgateway.io

## Topics

SMPP, SMS, Java, Netty, Telecommunications, Messaging, Protocol, Library, Open Source