All Use Cases

AI Phone Assistant for Inbound Calls

Every missed call is missed revenue - and you're usually only reachable during office hours. Frank answers incoming calls around the clock, qualifies the request, and books appointments, routes to the right team, or filters out anything irrelevant. That takes your availability to 100% - even at night and on weekends.

Frank for Inbound Calls

How it works

Inbound Calls - ready in under 10 minutes .

100% no-code. No developer, no lengthy onboarding - you set up Frank for Inbound Calls yourself.

Features

What Frank handles for you

100% availability - around the clock

Every missed call is a missed prospect - who often calls a competitor next. But you're usually only reachable during office hours. Frank answers every incoming call - even at night, on weekends, and during lunch breaks. No caller ever hits voicemail again.

  • Every call gets answered - 24/7
  • Even at night, on weekends, and during peak times
  • No missed prospects, no dead voicemail

Availability

Around the Clock

24/7

Availability

100 %

Missed calls

0

Calls today

58

All answered

58

Answer rate this week100 %

Qualified and routed to the right person

Frank recognizes the request and the genuine buying interest, qualifies the inquiry, and routes it cleanly - either booking an appointment directly or transferring the caller live to the right person. Irrelevant calls and spam get filtered out immediately.

  • Request identified and qualified
  • Appointment booked or live-transferred to the right team
  • Spam and irrelevant calls filtered out

Incoming Call

Qualification & Routing

Live

+49 89 4521670

Frank is qualifying ...

Incoming
Sales
Support
Accounting

The easiest way to get started - no outbound required

You don't need to run any cold outreach to benefit from Frank: you already get calls anyway. Frank catches every single one, takes the load off your team's day-to-day, and runs alongside any other use case in parallel - the most direct way to immediately stop losing prospects.

  • Works independently of outbound / prospecting
  • Takes the load off your team immediately
  • Runs alongside any other use case in parallel

Inbound Capture

No Cold-Calling Effort

Live

Incoming calls today

37

all answered

37 / 37

HHoffman Inc.
Answered
BBerger & Co.
Appointment
RReiner Corp
Answered
SSchulz Trading
Appointment

The Difference

Inbound Calls with and without Frank

Without Frank

  • You're only reachable during office hours - everything else is lost.
  • A missed call = missed revenue: the caller phones a competitor instead.
  • Nobody leaves a voicemail - the prospect is simply gone.
  • Your team keeps getting pulled out of their work by incoming calls.
  • Calls land with the wrong person and go nowhere.
  • Spam and irrelevant calls still cost time.

With Frank

  • Frank answers every call - 24/7, including nights and weekends.
  • No more missed prospects - availability at 100%.
  • Genuine buying interest is recognized and acted on immediately.
  • Frank takes the calls off your team's plate and lightens their load.
  • Every inquiry reaches the right person - appointment or transfer.
  • Frank filters out spam and irrelevant calls right away.

Hear Frank live - on your own use case.

Why missed calls are missed revenue

Imagine someone is genuinely interested in your product or service, picks up the phone and calls - and nobody answers. What happens next? In most cases, the person hangs up without leaving a message and moves straight on to the next provider on their Google search. Voicemail is no longer seen as a reliable fallback today - it reads as a clear service gap. Prospects simply have no patience anymore for a callback that might come, or might not, and that hardly anyone actually follows up on consistently. You don't just lose a call - you lose a concrete revenue opportunity you already invested marketing budget and sales effort to create. And because most companies don't systematically track how many calls go unanswered, the scale of this loss is simply invisible - it doesn't show up in any KPI, which is exactly why it never really gets addressed.

The problem gets significantly worse because of your team's day-to-day reality. Your employees are tied up with running the business: writing proposals, managing customer meetings, handling internal coordination, solving urgent problems. When the phone rings in the middle of that, they're left with two bad options - either interrupt what they're doing, or let the call go through to voicemail. Both come at a real cost. Whoever interrupts their work loses focus and productivity, and depending on the task, needs several minutes to get back into flow. Whoever doesn't pick up may lose a paying customer, without anyone ever noticing. Teams that depend on inbound calls are stuck in a dilemma that can't simply be solved by hiring more people - at least not economically, and not sustainably. Hiring more staff just so the phone always gets answered isn't a business model.

On top of that comes a timing problem that many business owners consistently underestimate. A significant share of incoming calls land outside regular business hours: in the evening after work, on Saturdays, on holidays, over lunch - exactly when prospective customers have time to take care of their own business matters. If you're not reachable then, you're sending a clear, if unintentional, message: we're only here for you when it's convenient for us. In a market where response speed is increasingly a direct purchasing criterion, that's a genuine structural competitive disadvantage. Automating call answering with AI, then, isn't just about operational efficiency - it means being reachable for prospects whenever they need you, not just within your office hours. That's an advantage no competitor with a traditional staffing model can permanently match.

What Frank actually handles on incoming calls

Frank is not a simple voicemail system, and he's not a rigid IVR menu with keypad options that sends callers through endless submenus. Frank has a real, natural-language conversation - and that's the fundamental, decisive difference. When someone calls, Frank answers using your company name, greets the caller warmly, and asks what they need - exactly the way a well-trained employee would. As the conversation unfolds, Frank understands what it's about: Is this a sales inquiry from a new prospect? An existing customer issue? A general question about pricing or services? A direct request to book an appointment without much explanation? This recognition happens in real time, with no delay, no menu navigation, and no putting the caller on hold in silence. Frank keeps the conversation moving while reliably steering it toward a concrete, actionable outcome.

For sales inquiries, Frank runs a structured pre-qualification - in a way that doesn't feel like a form or a checklist to the caller, but like genuine interest in their situation. Frank asks exactly the questions your team would otherwise have to ask: What specific challenge does the prospect have? How large is the company? When does a solution need to be in place? Is the caller the decision-maker, or do other people need to be involved? Frank gathers this information cleanly within the natural flow of the conversation and summarizes it at the end. Qualified prospects are either taken directly to an appointment or warmly handed off to the right person on your team, complete with a concise summary of the conversation. That means every follow-up conversation with your team starts at a noticeably higher level - no time wasted on the basics, straight into the substance.

For standard questions and frequent inquiries, Frank is the ideal first filter - permanently taking routine communication off your team's plate while giving every caller a complete answer immediately. Opening hours, pricing, product details, typical processes, delivery terms, frequently asked questions about your service - Frank can answer all of it directly and without delay, with no need for anyone on your team to step in. You provide the knowledge once during setup, and Frank delivers it consistently, completely, and without errors. When pricing or terms change, you update the knowledge in one central place, and Frank immediately communicates the new version to every caller from then on. More complex requests that genuinely need a human are routed by Frank through a warm transfer - with a short context briefing, so your colleague doesn't have to start from zero and the caller doesn't have to explain their situation twice.

AI-powered inbound versus voicemail, an overloaded team, and a traditional call center

Voicemail is the worst possible option for incoming calls - everyone actually knows this, and yet it's still the default fallback in many SMBs for every situation where nobody can pick up. The problem isn't just that callers hang up and never call back, even though they had genuine buying interest at the start. The deeper problem is that voicemail makes a negative statement about your company, whether you intend it to or not. It unmistakably signals: we don't have room for your call right now. In a market where response speed is increasingly a direct purchasing criterion and prospects compare several providers at once, voicemail is actively damaging to your business. Frank as an AI receptionist counters this by making sure every incoming call is answered immediately - with real conversational value, a clear response to the request, and a concrete next step, not a vague request for a callback with no timeframe attached.

An overloaded team is another very common reality that many founders and sales leaders know all too well from their own day-to-day. Two or three colleagues in sales, all tied up in ongoing calls or external customer meetings at the same time, and the phone rings. The call either goes unanswered or lands on voicemail. In the best case, someone calls back hours later - but by then the prospect has already reached out to several other providers and may already be in an initial conversation elsewhere. With Frank as the first point of contact for all incoming calls, your team stops being the bottleneck for new inquiries. Frank filters, qualifies, and fully prepares every conversation. By the time your team finally takes over, the caller is already pre-qualified, the request is documented, and the appointment may already be booked. That's not a nice-to-have - it's a measurable efficiency gain in day-to-day sales operations.

Traditional call centers and outsourced phone services have their own structural weaknesses, which turn out to be significant on closer inspection: high ongoing costs, long onboarding times, scripts that never really fit the caller's specific request, and an unavoidable baseline of quality variation between different agents and shifts. On top of that, they scale entirely linearly with call volume - more calls mean immediately more cost. Frank, on the other hand, scales without additional cost and without any loss of quality. Whether it's ten or a hundred simultaneous incoming calls, Frank answers all of them, each with the same quality, the same response time, and the same up-to-date knowledge. That knowledge always stays current because you maintain it directly and centrally, with no need to onboard a third party. The combination of immediate answering, a qualified conversation, and a seamless handoff is exactly what a functioning inbound channel needs to deliver.

How to turn your availability into a sales channel with Frank

The first and most important step is call routing - the decision logic Frank uses to categorize and direct every incoming call. You define which types of calls occur in your business and what should happen for each one specifically. A sales inquiry from a new prospect should lead to qualification and then directly into appointment booking. An existing customer with a technical issue should be routed to the support team. A general question about pricing or services should be answered by Frank directly and completely. A caller who specifically wants to speak to a certain person should be connected via warm transfer. This routing logic is the heart of a functioning AI receptionist and determines how much value Frank creates for your business and for every individual caller. The more clearly you define your request mapping up front, the more precisely and valuably Frank operates from day one.

The second step is the knowledge briefing, which equips Frank with the content he needs for genuinely helpful conversations. Frank needs to know what he knows - which means you provide, once, all the relevant information callers regularly ask about. This includes pricing, packages, and terms in their current version, product details and typical service descriptions, typical process flows, common objections and the right responses to them, as well as all organizational information such as response times or team responsibilities. Frank delivers this knowledge in natural language - not as a list read aloud, but as a real, flowing conversation. When pricing or terms change, you update the knowledge in one central place, and Frank immediately communicates the new version to every caller from then on. That means no elaborate briefings for external agents, no outdated scripts in circulation, and no inconsistent answers given to different callers.

The third step is defining the handoff logic and appointment-booking rules that give Frank the operational basis to close out every conversation. You decide which calls Frank should book appointments for independently - in which calendar, within which time slots, with what buffer between appointments. You define at what qualification level a warm transfer makes sense, what information Frank should pass on to the team member picking up the call, and how the handoff is communicated so it feels seamless to the caller. You set these rules once, and Frank applies them consistently to every single call - regardless of time of day, call volume, or current team availability. When a qualified prospect wants to take the next step, Frank books it directly: the appointment lands in the calendar, the prospect gets a confirmation, and your team finds a cleanly prepared handoff waiting for them. That's the operational foundation that turns genuine availability into a permanent sales channel.

Full availability as a permanent system - without extra headcount

The long-term goal behind automating incoming calls with Frank isn't to make a single process a little more efficient or save some costs in one spot. The goal is to permanently establish availability as a strategic advantage - regardless of how your team is currently staffed, how many people are on calls at the same time, who's on vacation, or how intense the current workload is. With Frank as an AI phone assistant for incoming calls, your company is structurally never unreachable again. Every caller gets an immediate, genuinely relevant response to their request - not voicemail, not a hold queue. Every sales inquiry gets recognized, categorized, and followed up on. Every standard question gets answered fully and correctly. That's a state you can barely maintain economically with a purely human staffing model - it's too expensive, too rigid, too dependent on individual people and their availability.

At the same time, you permanently relieve your team of the burden of constantly needing to be available while also handling everything else on their plate. Your employees can focus on the work that truly requires their full attention and professional expertise, and that Frank cannot take over: complex consultations, strategic customer conversations, proposal presentations, negotiations, closing deals, and relationship management. Routine communication, initial qualification, standard answers, the first sorting and categorization of a request - Frank handles all of that fully and reliably, around the clock. This isn't a disguised headcount cut - it's a deliberate shift in attention toward higher-value work that directly drives revenue. Your team becomes more productive and more effective, without working more or needing to be available longer. That's the concrete lever automation actually creates in inbound.

And no more lost prospects - that sounds like a simple claim, but it's economically substantial and compounds over time in a way almost nobody quantifies in advance. Every call that used to land on voicemail and never resulted in a callback is now a full conversation with Frank, ending either in a booked appointment or a cleanly prepared handoff. Every inquiry outside business hours - in the evening, on weekends, on holidays - gets picked up immediately, pre-qualified, and fed into your sales process. The cumulative volume of inquiries you no longer lose adds up over weeks and months to real, measurable revenue. Inbound calling with Frank isn't a nice-to-have for companies with a big budget - it's a robust, low-maintenance system that runs every day without you having to actively think about it, permanently ensuring your company is reachable for prospects whenever they reach out.

Sicherheit hat für uns oberste Priorität

Proprietäre KI, in Deutschland gehostet - keine White-Label-Drittlösung.

Unsere Prozesse werden regelmäßig auditiert.

Wir weisen dich in der Plattform auf deine rechtlichen Pflichten hin und helfen dir dabei.

Die Plattform ist so gebaut, dass sie dich unterstützt, compliant und transparent zu arbeiten.

heyData - DSGVO-konform Serverstandort Frankfurt EU AI Act

Customer stories

You're in good company.

Real companies that let Frank make calls for them every day.

Testimonial 360 Energiesysteme

"With Frank, we've managed to bring old contacts back to life and turn them into new appointments - completely independent of our team's time."

Benjamin Ziegler

Managing Director, 360 Energiesysteme

Testimonial festpreishaus.de

"Before using SalesFrank, I was very skeptical and didn't believe it would really work. I was proven wrong in the best possible way."

Dennis Hemesath

Managing Director, festpreishaus.de

Testimonial Nextphones

"Before Frank, we only called existing customers irregularly, and kept losing customers to the competition as a result. Now customers come back to our store on their own, without constant follow-up calls."

Selda Biyik

Regional Manager, Nextphones

FAQ

Frequently asked questions about Inbound Calls

What is an AI phone assistant for incoming calls?

An AI phone assistant like Frank automatically answers incoming calls and has a real, natural-language conversation with the caller. Unlike an IVR menu or voicemail, Frank understands what the caller needs, answers questions directly, pre-qualifies sales inquiries, and routes the caller to the right next step - whether that's a booked appointment, a direct answer, or a warm transfer to your team. The system runs around the clock, with no breaks, holidays, or capacity limits.

How exactly does call answering with Frank work?

When a call comes in, Frank answers on behalf of your company and asks what the caller needs. Frank understands the response in natural language and then decides based on the routing rules you've defined: sales inquiries get qualified and moved into appointment booking, standard questions get answered directly, and complex cases get handed off to your team via warm transfer with a context briefing. You define the entire logic - routing, knowledge, handoff rules, calendar access - once, during Frank's setup.

What does Frank cost compared to a call center or an in-house team?

A traditional call center bills by talk-time minutes and agent hours - with fixed costs for onboarding, training, and ongoing management. An in-house employee for inbound calls means salary, benefits, and limited availability. Frank doesn't carry any of these cost structures: no training time, no overtime, no capacity limits, and no quality variation between different agents. The cost difference is especially clear outside business hours - a call center charges significant premiums there, while Frank runs reliably under the same terms as during the day.

Is Frank GDPR-compliant?

Yes. Frank is deployed in a way that meets all relevant GDPR requirements. Conversation data is processed exclusively on European servers, and callers are clearly informed at the start of the conversation that they're speaking with an AI phone assistant. You receive all the necessary contractual documentation for production use in your company. If you have specific compliance questions for your industry or use case, our team will work through the details with you.

Does the caller notice that Frank is an AI - does he sound like a robot?

Frank doesn't sound like a classic robot or a 1990s-era IVR system. The voice quality is built on current conversational AI technology and is indistinguishable from a human conversation partner in normal use. Even so, transparency is the right approach: if a caller directly asks whether they're speaking with an AI, Frank confirms it honestly. That's not just legally sound - it's also the only approach that holds up long-term. Trust is built through transparency, not deception.

Can Frank transfer calls and answer standard questions?

Yes, both are core functions of Frank. He answers any question you've provided knowledge for during setup: pricing, opening hours, product details, typical processes, common objections. When a request goes beyond the knowledge you've provided, or the caller explicitly wants to speak to a person, Frank hands off via warm transfer to the right contact person - including a short summary of the conversation so far, so no context gets lost and the caller doesn't have to repeat themselves.

Does Frank recognize genuine buying interest - and which industries is this a good fit for?

Frank recognizes buying interest through targeted qualifying questions within the natural flow of conversation: What does the caller need, how urgent is it, are they the decision-maker, what solution are they currently looking for? Based on the answers, the caller is either moved directly into appointment booking or flagged as not yet ready for a sales conversation. Frank is a particularly good fit for industries with meaningful inbound call volume and clearly defined qualification criteria: service businesses, agencies, SaaS providers, real estate, trades, healthcare providers, and any SMB sales operation where the first conversation determines whether an appointment happens.

How quickly is Frank ready to go - and does he really answer 24/7?

Frank is typically ready to go within a few days. After setup - defining routing logic, providing FAQ knowledge, setting handoff rules, and completing calendar integration - Frank is immediately active and starts answering every incoming call from that moment on. Around the clock, seven days a week, on holidays, after hours, on weekends. There are no exceptions, no after-hours surcharges, and no technical downtime. When your phone rings, Frank picks up.

Ready to try Frank for Inbound Calls?

Book a demo and see Frank on your own use case - or get a call from him directly.