GSM modem to SMPP gateway

Some mobile networks don't offer IP SMS services. If you want to reach the mobile phones of such a mobile network directly to send and receive SMS messages, you can attach GSM modems (sometimes called as SMS modems) to a computer, and you can send and receive messages over the air. Ozeki 10 can handle multiple GSM modems simultaneously and can forward the SMS traffic to IP SMS connections or to applications. The following documents offer information on how to use a single GSM modem or how to use many GSM modems to cureate such configurations.

SMPP to GSM Modem gateway (single modem)

This document explains how to setup a simple GSM modem to SMPP gateway. This is a very easy to create setup. It simply routes all messages coming to the GSM modem to an SMPP client, and it forward SMS messages sent by the SMPP client to the mobile network through the GSM modem. This configuration gives access to a mobile network using a single mobile phone number. This phone number is assigned to the SIM card in the GSM modem. You get the mobile phone number from the mobile network operator, when you buy the SIM card. If you send SMS messages using this configuration all messages will be sent out using this phone number. If somebody replies to this phone number in a reply SMS, it will arrive to the GSM modem and the Ozeki software will forward this message to the SMPP client.
Learn how to setup an SMPP to GSM Modem gateway (single modem)

SMPP to GSM Modem gateway (single modem)
Figure 1 - SMPP to GSM Modem gateway (single modem)

SMPP to GSM Modem gateway (multiple modems)

In this document we explain how to use multiple GSM modems to increase the capacity of a GSM modem to SMPP gateway configuration. By reading this document you will learn how to setup a connection group from several SMS modems. You will learn about load balancing. You will also get instructions on how to route the SMS messages coming from and going to this connection group using simple inbound and outbound routes.
Learn how to setup an SMPP to GSM Modem gateway (multiple modems)

SMPP to GSM Modem gateway (multiple modems)
Figure 2 - SMPP to GSM Modem gateway (multiple modems)

How to route SMS messages using phone numbers

When you use multiple SMS modems in an SMPP to GSM modem gateway configuration, you will work with several phone numbers. Each SMS modem will have it's own phone number. If you resell these services, you might have multiple SMPP client customers, who wish to use dedicated phone numbers. In this guide we explain how to setup SMS routing, when you have multiple SMPP clients and multipls GSM modems. This routing is done using phone numbers.
Learn how to route SMS messages using phone numbers

Route SMS messages using phone numbers
Figure 3 - Route SMS messages using phone numbers

SMS modem pools developed for GSM modem to IP SMS routing

When you setup a GSM modem to SMPP gateway, you can attach indivdual modems to your system using USB cables and USB hubs, or you can setup a modem pool, that includes several modems. Such modem pools often have 8,16,32,64,etc modems, so they can offer high SMS capacity, and several phone numbers.
Learn how to setup an SMS modem pool to act as a GSM modem to SMPP gateway


SMS modem pool for GSM modem to SMPP gateway setup
Figure 4 -SMS modem pool for GSM modem to SMPP gateway setup

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