Businesses use bulk SMS because a text message reaches a customer’s pocket within seconds, gets read the same day and costs a few cents to send. It suits reminders, alerts, offers and staff notices where email is too slow or too easily ignored. This guide covers the benefits, the best uses and the limits.
Bulk messaging is a proven, fast and effective way of communicating with a large number of people at once, which is why it has become part of the outreach plan for organisations in almost every industry. Retailers use it for promotions, clinics and wellness providers for appointment reminders and health campaigns, and schools, clubs and employers for notices that need to be seen today. There are several options for sending messages from a computer, and you can look at real message examples before you write your own.
Higher Open And Response Rates Than Email
Almost everyone owns a mobile phone and carries it everywhere, so a text message is seen almost as soon as it arrives. Compared with email, SMS has a far higher open rate. Marketing emails sit unread for days, disappear into spam folders or are deleted without being opened. It is hard to delete a text without reading it.
Replies follow the same pattern. People tend to respond to a text within a minute or two, compared with hours or days for an email. If you are running a promotion or a customer awareness campaign, that speed turns into more responses from interested customers and a better conversion rate from the same list.

Faster Delivery For Time-Sensitive Messages
An appointment reminder sent the afternoon before, a delivery update, a change to opening hours, an outage notice or a last-minute offer only works if it is read in time. SMS is the one channel that is reliably read the same day, which is why it is used for anything with a deadline attached. Messages can also be scheduled in advance, so reminders go out at the right time without anyone in the office pressing send.
Lower Cost Per Contact
Text messaging is a more cost-effective way of promoting a business than radio, television or print. Each message costs cents, there is no design or production cost, and a prepaid credit model means you pay only for what you send. For a small business that makes SMS one of the few channels where a campaign to the whole customer list is affordable.
See what it costs on your own list. Open a free 160.com.au account, get trial credits and send a test campaign to your own phone in minutes. No monthly fees, no setup fees.
Personalised Messages To The Right Segment
A good platform lets you organise your contacts into groups based on what they have bought, where they are or what they have asked to hear about, then send a different message to each group. Personalisation tags insert the recipient’s name or other details into each text, so one campaign reads as if it was written for each person. Messages only work when they reach the right audience, so the segmenting matters as much as the wording.

Where Bulk SMS Works Best
The strongest uses are the ones where a short, timely message is all that is needed: appointment and booking reminders, payment and renewal reminders, delivery and order updates, one-off promotions and flash sales, event notices, staff rosters and urgent internal alerts, and two-way conversations where a customer can text back a question or a confirmation.
Keep each message clear and short. A standard text is 160 characters, and recipients read it because it takes seconds. Long emails are often skimmed or ignored because the point is buried; a text puts the point first.
When SMS Is Not The Right Channel
SMS is not the place for long or detailed content such as a full newsletter, a product catalogue or a document. It is also a permission channel: under the Spam Act 2003 you need the recipient’s consent, a working opt-out in every commercial message and an identified sender, so it is not a tool for cold outreach to numbers you have collected without permission. And because it is read so quickly, sending too often costs you subscribers faster than any other channel. Used for the right messages at the right frequency, SMS complements email rather than replacing it.
Start Your Free Trial Today
The quickest way to see whether SMS fits your business is to send one campaign to a handful of your own customers and watch the replies come in. 160.com.au is a Sydney-based platform, operating since 2000, with a 100% delivery guarantee, two-way replies and free trial credits, so the test costs nothing.