Bulk SMS reaches every mobile phone in Bangladesh, which makes it perfect for OTPs, order updates and promotions. Before you start, you need to choose between masking and non-masking SMS.
What is masking SMS?
With masking SMS, your brand name appears as the sender — for example, your company name instead of a phone number. Customers recognise you instantly, which builds trust and improves open rates. A masking sender ID needs approval before you can use it.
What is non-masking SMS?
Non-masking SMS is sent from a phone number. It is ready to use without sender ID approval and is usually the more economical option, which makes it popular for OTPs and system alerts.
Comparison
| Masking | Non-masking | |
|---|---|---|
| Sender | Brand name | Phone number |
| Approval | Sender ID required | Not required |
| Best for | Promotions, brand trust | OTP, alerts, notifications |
Which one should you use?
- E-commerce and brands — masking SMS for offers and order updates.
- Apps and websites — non-masking SMS for OTPs and verification.
- Schools and hospitals — either, depending on whether you want your institution's name to show.
Sending SMS from your software
With an SMS API, your website or software can send messages automatically — order confirmations, attendance alerts or login codes — without anyone typing them.
W3 SOFT provides masking and non-masking bulk SMS with delivery reports and an easy API. See the bulk SMS service.
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