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C# SMS API
Developers can use our C# SMS API to send SMS from C#.Net. The C# SMS API comes with full source code

PHP SMS API
The ozeki PHP SMS gateway software can be used to send SMS from PHP and to receive SMS usig PHP on your website

SMPP SMS Gateway
SMS service providers use our SMPP gateway solution, that offers a high performance SMPP server and SMPP client gateway with amazing routing capabilities
Ozeki 10 SMS Gateway

How to connect your SMS gateway to the mobile network

To connect your SMS gateway to the mobile network you have various options. You can connect wirelessly the same way as mobile phones connect. You can connect to the SMSC of a mobile network operator over the Internet using the SMPP, UCP or CIMD2 protocol or you can use an on-line http sms service. In either case it is a good practice to use multiple connections to the mobile network for fault tolerance, load balancing, least cost routing and backup routing purposes. A common practice is to setup an IP sms connection (e.g. SMPP client connection) for everyday high performance messaging. After this connection is working, it is a good idea to setup a wireless link as backup. You can setup a wireless link using an SMS modem pool. These to connections will make sure your system operates even if the primary SMS service fails.

How to connect your SMS gateway to the mobile network wirelessly

To connect your SMS gateway to the mobile network wirelessly, you will send sms using a GSM modem, or you will send sms using a GSM modem pool or you will use an Android Mobile phone.

android mobile connection
Figure 1 - Android mobile connection

In either case you need SIM cards purchased from a local mobile network operator, and the phone numbers you can use as SMS Sender ID will be the phone numbers assigned to the SIM cards by the network operator. The advantage to using a wireless connection is that it is easy to setup, and often you can send and receive SMS messages free of charge over wireless links. (In fact many SMS service providers run a business of purchasing SMS modem pools with SIM cards and they sell the SMS messages and phone numbers to their clients over the Internet by providing an HTTP sms service.)

sms modem pool connection
Figure 2 - SMS modem pool connection

How to connect your SMS gateway to a mobile network operator

To send large volumes of SMS messages, a direct connection to the Short Message Service Center (SMSC) of a mobile network operator, or to a high capacity on-line SMS service is a good option. Mobile network operators and top SMS providers offer SMPP client connection or other heavy-duty SMS protocols, such as the UCP sms protocol, the CIMD2 sms protocol or the OZX sms protocol. In most cases you can connect to these providers through a secure SSL link. You may check out the how to create a secure smpp client connection guide on getting more information about this connection option.

direct connection to the smsc over smpp
Figure 3 - Direct connection to the SMSC over SMPP

How to connect your SMS gateway to an HTTP SMS service provider

The third option to connect your system to the mobile network is to connect to an HTTP SMS service provider. Although the HTTP protocol is not the most efficient option to send and receive SMS messages, because it puts a large data overhead on each SMS, and it does not support SMS delivery reports and inbound SMS messages properly, it is still used by many businesses. The primary reason for this is that an HTTP SMS connection can be setup very effortlessly.

connection through an http sms provider
Figure 4 - Connection through an HTTP sms provider

To connect your system to an HTTP SMS service, you need to sign up to the service on their website, and you need to enter the account details they provide into Ozeki SMS Gateway. A list of supported SMS service providers can be found in our On-line SMS service poviders page. You will find step by step instructions for each provider on how to connect to their service.


Instructions

The following pages give you detailed instructions on how to setup a particular mobile network connection type. The most popular way to connect is to use the SMPP client connection method. Beginners often use their Android mobile phone to create their first connection, since it is always available and very easy to setup and use.

send sms using smpp
SMPP Mobile Network Connection
This guide gives you information about how to setup an SMPP SMS client connection. SMPP stands for Short Message Peer to Peer protocol and is a very popular choice among SMS service providers. The Ozeki system offers an excellent, high performance implementation of this great protocol.
Lear more about how to send SMS using SMPP
send sms using ucp
UCP/EMI SMS Client Connection
By following the guide on this page, you will get a brief introduction to UCP/EMI SMS client connection. The Universal Computer Protocol and its extension, External Machine Interface is a great choice to connect to short message service centers for mobile phones.
Lear more about how to send SMS using UCP/EMI
send sms using cimd2
CIMD2 SMS Client Connection
Learn about how you can set up a CIMD2 SMS client connection in Ozeki SMS Gateway. The Computer Interface Message Distribution protocol was introduced by Nokia. The CIMD2 interface transfers messages between applications and the Nokia Short Message Service Center.
Lear more about how to send SMS using CIMD2
send sms using http
HTTP SMS Client Connection
You can get useful information about how you can set up a HTTP SMS client connection in Ozeki SMS Gateway by following the guide here. By using this solution, you will be able to communicate with web applications by using the HTTP protocol.
Lear more about how to send SMS using HTTP
send sms using android mobile
Android SMS Client Connection
This guide gives you information about how you can set up an Android SMS client connection in Ozeki SMS Gateway. By downloading the Android SMPP Gateway to your smart phone, you can use it as an SMPP server, and connect to that smart phone with an SMPP client connection in SMS Gateway.
Lear more about how to send SMS using an Android mobile
send sms using sms modem
GSM Modem Link
The following guide is about to demonstrate how you can connect your GSM modem to your PC and configure it with Ozeki SMS Gateway. The high speed, professional cellular modem works well with Ozeki SMS Gateway.
Lear more about how to send SMS using an SMS modem
send sms using sms modem pool
GSM Modem pool Link
The following guide is about to demonstrate how you can connect your GSM modem pool to your PC and configure it with Ozeki SMS Gateway. The high speed, professional cellular modem pools works well with Ozeki SMS Gateway.
Lear more about how to send SMS using an SMS modem pool
sms service providers
On-line SMS Service Providers
Ozeki supports native connection to several on-line SMS service providers. Click here for a list of connections you can setup easily. The listed providers offer APIs that allow you to use their service from Ozeki 10 SMS Gateway.
Supported SMS service provider list