Business Phone Line / IP Phone Line
A dedicated fixed phone number for your business — simple, reliable calling
A business phone line is a fixed phone number registered to your company for making and taking calls. The traditional kind runs over copper; many today are IP phone lines (voice over your internet) where you plug a handset into a network box. It usually comes with basics like caller ID, call forwarding and voicemail — the simplest, most direct phone option for a small office.
For small shops, studios and startups that just need one or two company numbers and no complex switchboard — and for any SME wanting a proper fixed number for customers to reach them.
Same product, different names.
Each carrier brands this differently — here’s how to recognise it when you compare quotes.
The honest pros and cons.
Benefits
- A proper fixed company number looks more professional and trustworthy to customers than a mobile-only setup.
- Simple to set up and use — no complex switchboard to learn.
- Usually includes the basics: caller ID, call forwarding and voicemail.
- IP lines often come with a mobile app, so you can take company calls when you're out.
- You can keep your existing number (number portability) when switching providers.
Watch-outs
- Limited features — if you need many extensions, an IVR auto-attendant or lots of simultaneous calls, you'll need to step up to a cloud PBX or SIP trunk.
- An IP line relies on your internet — if the connection drops, the phone goes down too.
- There's usually a contract term and installation fee, with penalties for cancelling early.
- Billed per line each month, so several lines add up — many lines may cost more than a switchboard package.
Indicative pricing: roughly from HK$80–200 per line per month depending on bundled free minutes and features; installation fees and contract terms are separate. Ask about package deals for multiple lines or added switchboard features.
Common questions
Q01How is a business phone line different from a home line?
Q02When should I upgrade from a phone line to a cloud PBX?
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