What is bulk SMS and how does it work?

A simple explanation would be: Bulk SMS is a service that enables sending a large number of SMS messages to a broad audience – at once.

This is a super powerful service to use in your business to deliver SMS messages safely, quickly and directly to your customers worldwide. If you’re running competitions, marketing campaigns, notifications to employees, promotions or events, Bulk mass messaging is the best platform to use for sending out a high volume of messages in one go.

Bulk SMS means the circulating of large/majority numbers of SMS messages. It is done through mobile phone terminals. Software is required for sending and receiving bulk messages. Not one but various software packages are available. These software packages provide users with the opportunity to add as many phone numbers as per requirement and these phone numbers can be managed in a variety of ways.

Most SMS software applications allow the upload of lists of mobile phone numbers using a text file or CSV file. A text file is a type of digital, non-executable file that contains letters, numbers, symbols, and a combination. It enables the creation and storage of text without any special formatting. A CSV is a comma-separated values file, which allows data to be saved in a tabular format. Some sophisticated systems can automatically remove any duplicated numbers and the mobile numbers may be validated prior to sending the messages.


The uses of bulk SMS messaging is continually evolving as new business or public benefit needs are identified. From large scale businesses to small enterprises, community groups to educational institutions, bulk SMS messaging provides a cost effective solution for managing communications with small or large contact groups.

Before commencing with the sending bulk SMS messages it is important to note that you must comply with the regulations specific to your country and the country to which you are sending SMS messages.


This type of SMS service is ideal for advertising and marketing agencies, retailers, B2B businesses, financial institutions, banks, travel companies, and agencies or any type of business/organization that wants to create a customer list to reach and inform them on a regular basis. This will help each of them in earning customers’ loyalty. In the same time, SMS Bulk messaging service provides its users’ capability to communicate rapidly with large numbers of people, so it can be used ‘externally’ (marketing campaigns, informing clients of deals and promotions, competitions, etc.) or ‘internally’ (within the company, to send notifications to employees).

The beauty of Bulk SMS lies, in fact, it’s so easy to use. You just need to select your provider (HORISEN for instance), create your account, upload your list of clients, provide text message you want to send and just click ‘Send.’ And that’s it. In just a matter of seconds, your clients will receive the update you sent to them. And you’ll get the online access to statistics and reports in real time that will help you overview results to make successful marketing decisions in the future.

Immediate benefits coming from sending SMS in bulk are:

  • Competitive advantage
  • Low operational costs
  • Revenue generator
  • Measurable ROI
  • High efficiency
  • Good value for money

One of the most important things to mention here is very low operational costs. The transmission of Bulk SMS messages is far more affordable than voice calls, for instance. Not to mention it is far more effective than email since average email open rates vary greatly by industry, but on average is around 20%. The secret of mass messaging success lies in a fact that automated high-volume text messaging allows sender instant transmission of one message to a large number of recipients, regardless of their location.

Communication done this way is far more affordable and cheaper, providing a higher return on investment. And it is far more convenient too. Just imagine the time, effort and amount of money needed to communicate with your customers using some of the more traditional manners of communication, like cold calling. A disastrous way of business-to-client communication and even worse marketing! Then just compare this with an automated action when you send the same marketing message to all these people in just a second — no waste of time, no waste of money, no waste of resources and at the end, great results since you’re not harassing people. Those receiving your SMS notifications or SMS newsletters are those who opted-in to receive them.

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