What Is Simultaneous Ring? How It Works & Setup

When a customer calls your business, the worst outcome is not a bad conversation—it is no conversation, because the one phone that was supposed to ring was busy, off, or sitting in someone’s pocket in another room. Simultaneous ring exists to close that gap.

Here is the short answer: simultaneous ring is a call-routing setting that rings two or more phones at the same time when a single number is dialed, and connects the call to whoever answers first. One number in, several phones ringing at once. It is the most direct way to make sure a live person picks up, and it is a standard feature of business phone systems and call tracking setups. This guide explains how it works, how it differs from sequential ringing, when to use it, and how to turn it on.

What Is Simultaneous Ring?

Simultaneous ring—sometimes written “sim ring” or sold as “find me / follow me”—means one published number can ring a group of devices at the same instant. Dial the main line and the office desk phone, the owner’s cell, and a receptionist’s softphone all start ringing together. The first device to pick up gets the call; the rest stop ringing.

So yes, the answer to the common question “can two cell phones receive the same incoming call?” is a clear yes—that is exactly what simultaneous ring does. It is not call forwarding in the traditional sense, where a call is sent from one phone to another. It is one call fanned out to many endpoints at once, so the fastest available person answers. That difference matters: with forwarding you are moving a call along a chain; with simultaneous ring you are casting a wide net on the very first ring.

How Does Simultaneous Ring Work?

Behind the scenes, simultaneous ring lives in the call routing layer of a phone system, usually a cloud VoIP platform. When a call arrives at your number, the system does not send it to a single line. Instead it looks up a ring group—the list of destinations you configured—and places a call leg to every one of them at the same time.

1. A caller dials your business number.
2. The platform matches the number to a ring group (desk phone, two cell numbers, a softphone app, etc.).
3. All destinations ring simultaneously.
4. The first person to answer is bridged to the caller; the platform cancels the other ringing legs.
5. If no one answers within the timeout, the call falls through to voicemail, an IVR menu, or another number.

Because the destinations can be a mix of desk phones, mobiles, and apps, simultaneous ring is what lets a small team share one number without anyone being chained to a desk. It is a distinct behavior from a plain call forwarding rule, which typically targets one phone at a time.

Simultaneous Ring vs. Sequential Ringing

There are two common ways to ring a group, and picking the right one shapes the caller’s experience.

Simultaneous ring rings every phone at once. It minimizes the time a caller waits and maximizes the chance someone picks up quickly. The trade-off is that everyone’s phone rings on every call, which can be noisy for a larger team and can mean two people occasionally grab the same call.

Sequential ring (also called a hunt group or “ring order”) tries phones one after another—phone A for a few seconds, then phone B, then phone C. It is orderly and predictable, and it lets you prioritize a primary answerer before overflow reaches backups. The cost is speed: each hop adds ringing time, so a caller can wait noticeably longer before anyone answers.

A common pattern is to blend the two: ring a small primary group simultaneously, then, if no one answers, roll the call to a secondary group. If you want to weigh the different strategies for distributing calls across a team, our guide to call routing for small businesses walks through the options in more depth.

When to Use Simultaneous Ring (and When Not To)

Simultaneous ring is the right default in a few clear situations:

• Small teams sharing one number. A two- or three-person office where any available person can help the caller.
• Owner-operators on the move. Ring the shop phone and your cell together so a call reaches you whether you are on site or out.
• High-value, time-sensitive calls. Home services, legal intake, medical offices—anywhere a missed call is a lost customer who simply dials your competitor next.
• After-hours coverage. Ring an on-call phone alongside the main line so urgent calls are never stranded.

It is a poorer fit when you need structure. Large teams, skills-based routing (“send Spanish-language calls to this group”), or strict accountability for who takes which call are better served by sequential or rules-based routing. Ringing forty phones at once is chaos, not coverage. As a rule of thumb, simultaneous ring shines up to a handful of destinations and gets unwieldy beyond that.

How to Set Up Simultaneous Ring

The exact steps depend on your provider, but the shape is the same everywhere. On a carrier mobile plan, simultaneous ring is usually toggled in the carrier’s account portal or app rather than through a universal star code—so simultaneous ring on Android, iPhone, or a carrier like Verizon is configured in that provider’s settings, not on the handset itself. On a business VoIP or call tracking platform, you set it up in the dashboard:

1. Create a ring group. Add every destination that should ring—desk extensions, mobile numbers, and softphone users.
2. Choose “ring all” / simultaneous. Select the simultaneous option rather than a ring order.
3. Set a ring timeout. Decide how many seconds the group rings before the call moves on (15–25 seconds is typical).
4. Define the fallback. Point unanswered calls to voicemail, an auto-attendant, or a secondary group.
5. Test it. Call the number and confirm every device rings and the first answer connects cleanly.

The whole thing usually takes a few minutes once your number is on a platform that supports ring groups—which most modern call tracking and VoIP systems do out of the box.

Simultaneous Ring and Call Tracking

Here is where simultaneous ring gets more valuable than just “everyone’s phone rings.” When the number doing the ringing is a tracked number, you capture the marketing source behind every call—the ad, keyword, or landing page that produced it—while still routing that call to whoever is free to answer. You get both: the reach of ringing multiple phones and the data on where the call came from.

That combination answers questions a bare phone line cannot. Which campaigns drive calls that actually get answered on the first ring? How many calls slip to voicemail even with every phone ringing—a sign you need more coverage or better hours? Because the tracked number sits in front of the ring group, none of the routing hides the attribution. You never have to trade “make sure someone answers” against “know which marketing is working.”

Frequently Asked Questions

What does simultaneous ring mean?

Simultaneous ring means a single phone number rings multiple phones at the same time. When someone dials the number, every device in the ring group rings at once, and the call connects to whoever answers first while the other phones stop ringing.

Can two cell phones receive the same incoming call?

Yes. With simultaneous ring, one number can ring two or more cell phones (and desk phones or apps) at once. Both ring together, and whichever person answers first is connected to the caller.

What is the difference between simultaneous ring and call forwarding?

Call forwarding sends a call from one phone to another, usually one destination at a time. Simultaneous ring places the call to several destinations at the same instant and connects the first to answer. Forwarding moves a call; simultaneous ring fans it out.

Is simultaneous ring the same as a hunt group?

Not quite. A hunt group can ring phones in a set order (sequential), whereas simultaneous ring rings them all at once. Many systems let you combine both—ring a primary group simultaneously, then overflow to the next group if no one answers.

How do I set up simultaneous ring?

On a carrier plan, enable it in the provider’s app or account portal. On a business VoIP or call tracking platform, create a ring group, choose the “ring all” option, set a ring timeout, and pick a voicemail or auto-attendant fallback for unanswered calls.

Never Miss the Call That Matters

Simultaneous ring is a simple idea with an outsized payoff: one number, several phones, and a much better chance that a live person answers before the caller gives up. Pair it with tracked numbers and you get the reach and the attribution—every call routed to whoever is free, and every call tied back to the marketing that created it. See how call tracking software captures the source of every call while routing it to the phones that need to ring.