Who should use SMPP instead of HTTP API?

SMPP is typically preferred for high-volume enterprise messaging and low-latency persistent connectivity use cases.

Which SMPP bind modes are supported?

Common bind modes such as transmitter, receiver, and transceiver are supported for enterprise traffic patterns.

Industrial Grade SMPP Connectivity

Direct connection to operator SMSC via SMPP 3.4. Engineered for high-volume enterprises sending millions of messages daily.

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Technical Specifications

v3.4

Protocol Version

5000

TPS Capacity

BIND

TRX, TX, RX

UTF-8

Unicode Support

Why Choose SMPP over HTTP API?

⚡

Persistent Connection

Unlike HTTP which opens a new connection for every request, SMPP maintains a persistent TCP session, eliminating handshake latency.

🔄

Bi-Directional Async

Send messages and receive delivery reports asynchronously in the same session without polling.

🚀

Maximum Throughput

Designed for speed. Send up to 5,000 SMS per second per bind. Ideal for political campaigns, banking alerts, and OTPs.

Connection Parameters

                        Host / IP:
                        smpp.onlinesmsservice.com
                    
                        Port:
                        2775 (Standard)
                    
                        System ID:
                        Provided on Activation
                    
                        System Type:
                        NULL (Default)

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Need High Volume Pricing?

We offer special rates for aggregators and enterprises sending >10 Lakh SMS/month via SMPP.

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