Shared business numbers

A real phone number for the whole business — front desk, support inbox, sales line — that any authorized teammate can read. Without giving everyone a SIM card and without an answering service.

The traditional options, and why they fall short

Three common alternatives: (1) a single mobile phone that gets passed around, which fails the moment two people need it; (2) a VoIP "business phone" service, which fails the moment a customer tries to send the business an SMS verification code; (3) an answering service or call center, which is overkill for the volume.

The SIMRelay shape

One SIMRelay number, published as your business number. SMS arrives, gets forwarded to a shared channel (Slack, Teams, or email distribution list) where whoever's around can see and respond. SMS responses can go out from the same number via the API or dashboard (subject to plan).

What this is good for

• Customer texts to a sales line — "is the office open tomorrow?"
• Delivery confirmation codes from suppliers.
• Two-factor codes for shared business accounts (overlaps with the 2FA use case).
• Appointment reminders from booked services.

What this is not good for

High-volume customer messaging (think: marketing SMS campaigns to thousands of customers). For that, you want a dedicated A2P SMS platform with proper opt-in handling. SIMRelay is for the receiving side of business numbers, not for outbound marketing.