AI receptionist vs auto attendant
An auto attendant is a switchboard with a recorded voice. It greets the caller, offers extensions or a dial-by-name directory, and rings the phone they pick. An AI receptionist greets the caller too, then deals with what they need: it answers, books, takes the message or transfers.
The line between them is who takes the call after the greeting. If a named person is almost always free at the desk the caller picks, an auto attendant connects them and costs little. If that desk often goes unanswered, the caller meets voicemail, and an AI receptionist covers the gap.
What decides it
The dimensions that change the bill or the service, each as a fact read on the vendor's own site.
| An AI receptionist | An auto attendant | |
|---|---|---|
| What it is | A voice that holds a conversation | A recorded greeting with extension options |
| Usually bought as | A monthly plan billed by calls | A feature inside a business phone system |
| Caller's next step | Explains what they need | Dials an extension or a name |
| After hours | Answers, books and takes messages | Plays a closed greeting, then voicemail |
| Holiday closures | Answers as closed on dates you set | Needs a new schedule or recording |
| Unknown extension | Asks the caller and works it out | Replays the menu or drops to the operator |
Category behaviour. Auto attendant features vary by phone system; most ship a greeting, extension dialling, a directory and business-hours schedules.
An auto attendant replaces the switchboard operator
Business phone systems have shipped auto attendants for decades. You record a greeting, list the extensions and set a schedule for open and closed hours. A caller who knows Dana's extension reaches Dana without anyone picking up first.
It works well in an office full of desks. The sales team has a line, accounts has a line, and callers get to them without waiting for a person to route them.
Its limit is the handoff. The attendant only connects. When Dana is out, the call falls to her voicemail. A caller who only wanted your opening hours has sat through a menu to hear a beep.
An AI receptionist handles the reason for the call
An AI receptionist opens with a greeting in your business's name, then asks what the caller needs. A question about hours or services gets answered on the spot. A request to book gets written into your calendar after it reads the name, number and time back.
When the caller does need a person, it transfers the call. If that person doesn't pick up, it tries a second number you nominate. If neither answers, the call ends as a message with the caller's name, number and reason, plus a transcript you can read.
Setup looks different too. You describe your business in plain words instead of drawing a tree of extensions. Changing an answer takes a minute, and a new greeting never needs a re-recording.
Three questions to decide
First, how many people answer phones in your office? Past a handful of staffed desks, an extension menu still earns its keep. With one or two, it adds a step and saves nothing.
Second, what share of callers want information rather than a named person? Hours, prices, directions and bookings are questions a menu can't answer and an AI receptionist can.
Third, what happens at 6pm? If your attendant plays a closed message, every evening caller is a message at best. You can keep the auto attendant for daytime extensions and point its after-hours branch at an AI receptionist.
Where GreetKeeper fits
Disclosure: GreetKeeper is our product. It's an AI receptionist you can put in front of your extensions or behind your auto attendant's after-hours branch. Each number can have its own hours, greeting and calendar, and you can set closure dates so it answers as closed on those days.
Every plan includes a dedicated local number, with the area code chosen at signup. Plans start at $49 a month for 200 answered calls, and every one starts with a 14-day free trial, every feature on, no card.
| Plan | Monthly | Calls included | After that |
|---|---|---|---|
| StarterFor a single location taking calls one line at a time. | $49 | 200 | $0.45 per call |
| ProfessionalBooking, routing and transfers included, not an add-on. | $149 | 750 | $0.35 per call |
| ScaleFor busy phones and longer opening hours. | $349 | 2,000 | $0.25 per call |
Questions people ask about this comparison
What is the difference between an auto attendant and an IVR?
An auto attendant greets callers and connects them to an extension or a name in a directory. An IVR goes further with menus, keypad input and data lookups, such as reading an account balance. Both route callers; neither holds an open conversation about what the caller needs.
Can I keep my auto attendant and add an AI receptionist?
Yes. Most phone systems let one menu option, or the closed-hours schedule, forward to an outside number. Point it at the AI receptionist's number, and your daytime extensions keep working as they do now.
Does an AI receptionist replace dial-by-extension?
It can. A caller simply says who they want or why they're calling, and the AI receptionist transfers to the right number. You set the names and numbers once, and callers skip the directory.
Related reading
- All comparisons
- What an auto attendant is
- AI receptionist vs IVR
- Call transfers to your team
- After-hours calls
- GreetKeeper pricing
- AI receptionist vs iPhone and Pixel call screening
- AI receptionist vs missed-call text-back
- AI receptionist vs an outsourced receptionist
- AI receptionist vs a virtual assistant for phones
- AI receptionist vs a voice AI platform: buy or build
Put a voice behind the greeting
Point your after-hours branch at GreetKeeper and hear it answer a call for your office.