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Testelium — International Online SMS Testing Service

Before compiling a contact list, check it for delivery stability, delays and other things that may hinder its efficiency. All of this can be done on the Testelium platform providing such a service. It should be used before every distribution of information for it to be effective.

How Does Automated SMS Testing Work?

To test messages and their stable sending, the service uses real dynamic devices that receive the generated SMS in real time. Thus, you just need to adjust all necessary settings and wait for the messages to be sent.

Having received an SMS, you will be able to check the delivery time, the correct destination, delays, and even see if the sender’s name is displayed correctly. Thanks to this, you will timely recognize all errors and quickly fix them. 

Before the start of the mass messaging to contacts from the database, check the delivery rate with the special Testelium test service. It allows you to make sure that all messages will reach their addressees. Such SMS sender test is especially useful for a scheduled mass texting. Its main purpose is to simulate real textings and to make sure all SMS are sent correctly, without failures and losses. 

The service is automatic and easy to configure; you just need to enter the text and set the rest of the sending parameters. After that, messages are sent to real test devices and are available for users. The sender ID test even shows how an addressee sees it, so there is no room for surprises. 

There is a minimum fee for testing services, which makes the system a convenient assistant for effective mass texting. The testing module works without errors and failures, therefore it makes it possible to achieve maximum reliability and effectiveness of SMS texting. 

Testelium International Number Test Benefits

Preliminary validation can significantly improve the quality of your mass messagings and help avoid shortcomings that lead to inefficiency. At the same time, the Testelium platform has its own special features that should definitely be considered.

  • 01 Real Delivery Test

  • 02 Full automation 

  • 03 Friendly interface 

  • 04 Detailed reports 

  • 05 The best prices 

  • 06 Huge difference 

Real Delivery Test

SMS testing is conducted on real devices only, without deception and simulations. Therefore, you get the same conditions as with regular messaging, without the risk of choosing wrong information or the method of sending. 

Full automation 

Manual verification is excluded — a unique automatic algorithm performs this task much faster and easier, you just need to enter the starting information and send it for processing. The system will complete the operation by itself and draw up a report, which you can study at any time. 

Friendly interface 

The design of the service is as visually pleasing as it is comfortable for use. Any user will quickly understand the menu structure and various functions, since the workspace is divided into thematic areas with minimal of distractions and good selection of features. 

Detailed reports 

Reports compiled by the Testelium service allow you to figure out how many messages were sent and delivered, view their statistics, and examine errors, if any. There is no need to pay for this, since it is included in the price, not to mention its convenience, which greatly simplifies the use of the system. 

The best prices 

Despite the highest level of service and amazing reliability, Testelium is available at the most affordable cost. This means that much more funds will remain for mass messaging, and testing will not become a reason for budget overruns. 

Huge difference 

Testelium shouldn’t be compared with competitors, because it is more convenient, cheaper and more efficient. The specialists are constantly improving its quality and availability for users. Therefore, when you start working with the BSG platform, you will notice an increase in efficiency and a decrease in the time and money spent on standard SMS messaging. 

Simple account management. New way of testing.

Improve your SMS services easily and boost the outcome by real delivery testing, sender ID verification and much more. 


Clients and Partners Feedback

Try the SMS test service today and make sure that all messages will reach the addressees without failures and delays, because we use only real dynamic devices in the tests. The text message tester works automatically and compiles detailed reports on message delivery, so it is really worth appreciating. 

The functionality of the service allows you to assess how fast the delivery; moreover, Testelium makes it possible to see if your additional settings worked, including the sender’s name. All of this is available in the well-thought-out test module that is definitely worth trying now. 

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Frequently Asked Questions

What do service reports include?

Thanks to detailed reports, you can find out if a text was delivered, how long it took between sending and receiving, how correct the information looks on various devices. 

Can I schedule a test?

There is such an opportunity in the platform's functionality, it allows to schedule a test messaging for any date and time. After the end of the procedure, information about it is sent to your email, so you will immediately get a report on the completion of testing. 

Are you testing with real devices?

Yes, and this is what makes our service different from many competitors, because virtual recipients don’t provide the full picture. The use of real dynamic devices allows to identify sending issues faster and better and to fix them later. 

How can we help?

For the most common questions, we have prepared a FAQ about BSG products , which will help you understand all features of the service and their use. If you face technical issues, read the information in the BSG Developer Docs section, while all updates and important information are published in our blog with SMS and email marketing tips, which is updated by the specialists of the service.

Help Center

Bulk SMS Messaging

Bulk SMS services change the way people communicate and help businesses of any size deepen customer relationships.

SMS Bulk Messaging photo

About SMS Bulk Messaging

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Bulk SMS Service

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Who needs Bulk SMS:

Bulk SMS or mass text messaging is the technology that lets you send dozens, hundreds, even millions of text messages at a time to phone numbers homeand abroad with a click of a button.

Significanty cheaper

When you send bulk SMS, the cost of one sent or delivered text message gets significantly cheaper. You can even set the desired sender ID, which is the text that is displayed on the receiver’s cell phone as the SMS sender.


The popularity of mass texting in different walks of life is growing exponentially, and BSG provides you with everything you could ever expect from a high-quality bulk SMS messaging service.

How it works:

  • Use any sender ID depending for your campaign. Sender IDs need to be pre-approved for some countires.
  • Add the recipient's name and other personal information to each SMS: your name or company's name, date of birth, discount code, and other.
  • Bulk SMS sending can be scheduled for a particular time and date. You can also set up gradual sending of SMS over specific time frames.
  • Your texts will arrive in seconds, anywhere in the world, straight from BSG's communications platform.

Who needs Bulk SMS:

Small and medium bussines

Marketers who add bulk SMS to their marketing mix say this channel is highly effective. 76% of people say they wouldn’t mind receiving promotional SMS text messages informing them about discounts, premium events, reminders, etc.

IT & Online services

IT & online services use bulk SMS as a two-factor authentication tool to provide a secure digital experience for users. Other uses include messages regarding available account balance, added functionality, changes in pricing, etc

E — commerce

Retail businesses and e-commerce sites embrace bulk SMS channel to boost their sales. SMS coupon codes alone generate 10-20% purchase conversion. Sale notifications and special deals make customers appreciate the savings offered to them.

Big companies

Bulk SMS has proven to be an invaluable medium for managing internal communications within a company. When you need to distribute internal surveys, send reminders or inform your employees about corporate events, SMS messaging is a great solution.

Big Companies

SMS messaging is the best way to reach out to customers instantly, with a good chance they will read the message within minutes. Transit companies send bulk SMS services to send notifications and alerts about route changes, arrivals and changed schedules

Transit companies

SMS messaging is the best way to reach out to customers instantly, with a good chance they will read the message within minutes. Transit companies send bulk SMS services to send notifications and alerts about route changes, arrivals and changed schedules

Clients and Partners Feedback


BSG works in close cooperation with our platform over the last 3 years. BSG managers have been always very attentive to us. They are working with great effort and efficiency. Our cooperation has always been very constructive and productive. Their tech support team is always ready to help. You can call them 24/7 at any convenient time and they will give you all the necessary advice.


We have been cooperating with BSG since 2016. Our cooperation has been successful for both sides and we are constantly working on new opportunities. The managers of BSG are easy to work with, friendly and responsive. They have 24/7 tech support which makes business works easier.


NVIA and BSG are working together since 2014 on the Short Messaging Delivery Service. This bilateral cooperation has been successful for both companies and we have a positive experience with doing business together during all these years.


BSG is one of the global leaders in providing messaging solutions. We build our partnership since 2018 year. And from that time till nowadays BSG shows us their first class professional skills. BSG team consists of strong competitive specialists who are ready to solve any question at any time.


Thank you, BSG team for solving our communication issues. As an insurance broker, we need a stable and reliable way of connection with our clients and partners. Your Bulk SMS and E-mail services gave us an opportunity to stay tuned with our customers and build strong marketing campaigns for engaging the new ones.


BSG has proven to be a reliable partner we can trust. We’ve been working for more than 2 years and the cooperation has been very successful. Easy API Integration, low prices, fast response rate for customer support issues, easy documentation navigation, free trial period. And that’s not the full list of the benefits. Thank you, BSG! Further - better.

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Complete suite

BSG offers white labeling options and messaging features combined with billing and reporting.

Competitive pricing

Our pricing is flexible. We make sure we're able to meet any dynamic market requirements.

Education and Support

We’ll prepare you for launch through education and a dedicated reseller program tailored to your objectives.


With BSG adaptable billing system, you get full control. Our messaging suite can be fully customized.