SMS Testing

Testing of SMS Applications, Delivery and Other Infrastructure

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Testing is always an essential part of development, staging of an application, and when an application has been deployed. SMS has a number of different aspects that require some degree of testing to ensure that applications will perform, and will continue to perform, as expected when used.

As an example, Short Message Peer-to-Peer (SMPP) implementation testing shows the level of conformance to the protocol when sending and receiving SMS messages between applications and mobiles. SMPP testing also determines the implementation's level of performance. Testing shows the conformance of an SMSC or SMS Gateway to the SMPP protocol and its performance, e.g. rate of SMS processing. It is important to perform such testing so to understand the behaviour or the application in various situations and its limitations.

Testing of SMS applications (clients), SMSCs/SMS gateways (servers) and actual live delivery of SMS messages to and from mobile users on relevant mobile networks should be performed. Some of this can be automated, while some involve manual testing by developers, engineers or support staff.

Types of Testing

SMS client and SMS server (SMPP server / SMSC)


  • Delivery testing - confirming that messages can be sent to mobiles belonging to a country.
  • Content testing - confirming that specific types of messages can be sent to mobiles belonging to a country/network.


  • Confirming that messages are displayed as intended.
  • Confirming that messages are otherwise handled as intended (e.g. SIM updates).



SMPP Implementation Testing

Test SMPP compliance and performance of SMS applications, SMSCs, SMS gateways and SMPP servers.

SMSC Simulator

SMSC simulator for testing your SMS applications and messaging infrastructure using the SMPP protocol.

Tyr SMS Gateway

SMS gateway platform for A2P, P2A, bulk, wholesale, business, text marketing and other applications to UK, France, Germany, Spain, Italy and other countries.

SMPP SMS Gateway

Cloud-based high capacity and high reliability SMPP SMS Gateway platform with advanced routing. Supports A2P and P2A SMS.

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