messaging
Business SMS is text messaging sent and received from a company's main phone number rather than an owner's personal mobile. Messages land in a shared inbox the whole team can see and reply to. It's the same number customers already call.
Under the hood, business SMS runs through a messaging platform connected to the number, not a phone's SIM card. When a customer texts the number, the message routes to a web or app inbox. Any teammate with access can reply from a browser or their own phone.
For a small team this replaces the mess of texting customers from a personal mobile. A 4-person landscaping firm can text appointment reminders, quotes and "on our way" updates from one shared number. They can also see the full thread history, even after the person who sent it goes on holiday.
Carriers treat business texting differently from personal texting. Sending in volume from a normal 10-digit number requires registration (see A2P 10DLC in the US). Providers usually cap daily message volume too, to keep the number out of spam filters.
Worked example
A 5-person HVAC company texts 40 customers a day with appointment windows and invoice links from one shared business number.
Every text lives in one inbox any dispatcher can search, instead of scattered across three technicians' personal phones.
Why it matters to a small team
A small business that texts from personal phones loses the conversation the moment that employee is out sick or leaves. Business SMS keeps every customer thread attached to the company number, not a person. That way, coverage and history survive staff changes.
Only if it is a VoIP or cloud number; traditional copper landlines cannot send texts. Most providers can text-enable an existing VoIP number, or issue a new number that supports both calls and texts from day one.
No. Business SMS uses the standard cellular text network tied to a phone number, while WhatsApp Business runs over internet data through Meta's app. Customers need WhatsApp installed to receive those messages; SMS reaches any phone that can text.
It depends on registration tier and carrier rules, typically a few hundred to a few thousand per day once A2P 10DLC registration is verified. Unregistered numbers are capped far lower and are more likely to be filtered as spam.
Yes in most jurisdictions. US and UK rules generally require prior consent for marketing texts, though transactional messages like appointment confirmations have more relaxed treatment. Keeping opt-in records protects the business if a carrier or regulator asks.
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