Your AI Call Center and Receptionist, Answering Calls Day and Night
An AI call center answers inbound calls, places outbound calls and hands conversations to people when needed. Tridan AI's Call Center Voice Agent runs on LiveKit and Twilio telephony, speaks the languages you configure, books appointments in your calendar and logs every call with a transcript so your team never loses context.
Or call our AI agent now:+381 11 635 5917
What the Voice Agent Handles on the Phone
- Answer common questions instantly
- Book appointments into your calendar
- Qualify callers before they reach your team
- Route tricky calls to your team
- Run outbound call campaigns
- Speak your customers' language
Live Call: Voice Agent Answering
Transcribed in real time
What is an AI call center?
An AI call center is a phone system where an AI voice agent answers inbound calls, places outbound calls and hands conversations to people when needed. Tridan AI's AI Call Center runs on LiveKit and Twilio telephony, uses voices from ElevenLabs, Deepgram and OpenAI, and logs every call with a transcript for your team.
How the telephony and PBX setup worksWhy do businesses use an AI call center?
Businesses use an AI call center to answer every call without adding headcount. The voice agent answers immediately, with no queue, resolves routine questions and bookings, handles many calls in parallel and transfers anything that needs judgment to a person on your team, with the transcript and summary saved for review.
Office closed. The voice agent booked a visit for Monday 9:00.
Always Available
The voice agent answers calls immediately, with no queue, including nights, weekends and holiday peaks. After-hours callers book with you instead of dialing the next number on the list.
- Customer calls at nightOffice closed, nobody at the desk
- Voice agent answersImmediately, with no queue
- Books the visitStraight into your calendar
- Call loggedTranscript and summary saved
- Team starts informedBookings waiting the next morning
Fewer Routine Calls
Repetitive questions such as opening hours, order status and bookings are resolved automatically, so your team only handles the calls that need a person.
More Calls Without More Headcount
Scale call capacity without scaling headcount. One AI agent handles parallel conversations that would otherwise queue for your staff.
Humans Stay in the Loop
When a call needs judgment, the voice agent tells the caller it is transferring them and puts the call through to your operator. The transcript and summary stay in the call details for your team.
What does a single call look like?
A simulated conversation with the Tridan AI demo agent: an answer from the knowledge base, an interruption, a booked appointment and a transfer to an operator. Then views from the platform: number setup, voice selection, the call review and statistics.
How does an AI call center work?
An AI call center works in three steps: you connect a phone number, configure the voice agent with your knowledge and instructions, and go live. From then on the agent answers inbound calls, runs outbound campaigns and follows the escalation rule you configure to route calls to your team.
- 01
Connect a Phone Number
Bring your existing business number through a SIP trunk or get a new one. Calls run over Twilio telephony with real-time audio powered by LiveKit.
- 02
Configure Your Agent
Upload your knowledge, write instructions in plain language and pick a natural voice. We guide you through setup on a free call.
- 03
Go Live: Inbound and Outbound
The voice agent starts answering inbound calls and running outbound campaigns, with every conversation logged and available to your team.
What is included in the AI Call Center stack?
The AI Call Center stack includes inbound call answering, outbound campaigns, call transfer to your operators, transcripts and summaries of every call, natural voices from ElevenLabs, Deepgram and OpenAI, and a choice of models from OpenAI, Anthropic, Meta and DeepSeek. Telephony runs on LiveKit and Twilio, with Asterisk-based PBX connectivity for existing numbers.
Incoming calls
0 on hold- +381 64 ••• 2193Answered · 1st ring
- +381 11 ••• 4870Answered · 1st ring
- +381 63 ••• 0552Answering…
- Customer callsYour existing number or a new one
- Voice agent answersAround the clock, in the caller's language
- Understands the requestChecks your knowledge base and calendar
- Resolves or booksAnswers, books, or routes to your team
- Transcript for your teamEvery call logged with full context
Inbound Call Answering
Greets callers, answers questions from your knowledge base, books appointments and routes calls, around the clock.
How inbound calls work
Campaign
Appointment reminders
128 of 300 contacts called
- MPMarko P.Calling…
- AJAna J.Confirmed
- IKIvan K.Rescheduled
- JMJelena M.Queued
- Your team starts a campaignContact list, goal and instructions
- Voice agent dialsWorks through the whole list
- Customer answersA real conversation, not a robocall
- Confirms or reschedulesOr records the customer's answers
- Campaign resultsStatus and transcript per contact
Outbound Campaigns
Follow-ups, reminders and outreach at scale: the voice agent dials your list and has a real conversation, not a robocall.
How outbound campaigns work
Call transferred to your team
- Reason: wants to discuss a contract change
- Transcript and summary in call details
- Caller needs a personA complaint, a contract change, a judgment call
- Voice agent recognizes itFollows your escalation rule
- Announced transferCall forwarded to your operator's number
- Your team takes overTalks to the caller directly
- Issue resolvedBy the right person
Transfer to a Person
When a caller needs a person, the agent announces the transfer and forwards the call to your operator's number. The transcript and summary stay in the call details.
How call transfer worksNatural Voices
Voices by ElevenLabs, Deepgram and OpenAI that sound human. Pick the tone that fits your brand.
4 Leading AI Models
Powered by OpenAI, Anthropic, Meta and DeepSeek. Choose the model that fits each conversation.
Multilingual Conversations
Serve callers in the languages you configure and keep the same agent, knowledge and rules across all of them.
What can a voice agent handle on the phone?
A voice agent can handle customer support questions, overflow and after-hours calls, appointment booking and rescheduling, sales follow-ups, phone surveys and first-line technical triage. Each job uses the same agent, knowledge and escalation rules, inbound and outbound, so one setup covers many teams.
Customer Support
Resolve everyday questions on the phone without a queue.
Call Center Overflow
Catch peak-hour and after-hours calls your team can't reach.
Appointment Booking
Schedule, confirm, and reschedule appointments by phone.
Sales Follow-Ups
Call leads back fast and keep pipelines moving with outbound campaigns.
Surveys & Feedback
Run phone surveys and collect structured customer feedback.
Technical Triage
Walk callers through first-line fixes and escalate the rest.
Calls the voice agent handles
Pick a call: a booking, a night call, a transfer to your team or a reminder from a campaign. Next to it you see what the agent does.
A caller books an appointment
Phone call to the Tridan AI line
What the agent does
Google Calendar · get-freebusy
Free: Wednesday 09:00, Thursday 13:00
Google Calendar · create-event
Service, Wednesday 09:00
Result
The result appears when the conversation ends
Illustrative example with made-up data, not a recording of a real conversation.
Or call our AI agent now:+381 11 635 5917
How does an AI call center compare with other ways to handle calls?
An AI call center answers around the clock and handles parallel calls like an answering service, but it also books, qualifies and runs outbound campaigns like trained staff. Unlike an IVR menu, callers speak naturally, and a call that needs a person is announced and transferred to your team, with the transcript and summary saved for review.
Swipe sideways to see the full table
| Criteria | AI Call Center | In-house reception | Answering service | IVR menu |
|---|---|---|---|---|
| After-hours coverage | Yes, every call answered | Only during shifts | Yes, usually a message is taken | Menu only, no answers |
| Parallel calls | Many at once, no queue | One per person | Limited by staffing | Many, but callers wait in a queue |
| Handoff to a person | Announced transfer, transcript and summary saved | Verbal notes, if any | Message or email summary | Blind transfer |
| Outbound campaigns | Yes, reminders and follow-ups at scale | Manual, one call at a time | Rarely offered | No |
| Setup effort | Number, knowledge and instructions | Hiring and training | Scripts and briefing | Menu tree design |
| Best for | Teams that want every call answered and resolved | Low volume, high-touch relationships | Message taking outside office hours | Routing callers to departments |
Choose an AI call center when callers need answers and actions, not just a message taken or a menu to navigate.
Can an AI call center run on our own infrastructure?
Yes. The full Tridan AI platform, including the voice agent and its LiveKit and SIP telephony stack, can run in your VPC or on-premises, so call recordings and transcripts are stored in your infrastructure. Speech and language models are called as cloud APIs from the providers you choose, and multi-tenant organizations keep teams, brands or clients separated inside one deployment.
Self-Hosted Option
Run the full platform and the LiveKit and SIP telephony stack in your VPC or on-premises.
Call Data Under Your Control
Recordings, transcripts and summaries are stored in your deployment, and voice models are cloud APIs you choose.
Multi-Tenant Organizations
Separate teams, brands, or clients cleanly inside one platform.
Your servers · your data- Customer callsThrough your telephony connection
- Voice agent on your serversIn your VPC or on-premises
- Cloud voice modelsSpeech and language APIs you choose
- Call data stored with youRecording, transcript and summary
- Your team reviewsTranscripts stay on your infrastructure
Common Questions About AI Call Centers
Will an AI call center replace my team?
No. An AI call center removes the repetitive calls so your team can focus on conversations that need a person. Opening hours, order status, bookings and reminders are handled by the voice agent, while anything that needs judgment is transferred to an operator on your team. Every call keeps its transcript and AI summary in the call details, so your people stay in the loop and can review what was said.
How long does it take to set up an AI phone answering service?
Most setups need three things: a phone number, your knowledge content and plain-language instructions for the voice agent. We walk you through it on a free onboarding call, and you can test the agent with internal calls before pointing real traffic at it. Connecting an existing number through a SIP trunk or Asterisk-based PBX can add time depending on your carrier.
What happens when the AI can't answer?
The voice agent says so honestly and transfers the call to your team instead of guessing. For each inbound number you set the operator number and a plain-language rule for when to transfer: by topic, when the caller asks for a person, or whenever the agent is unsure. The agent announces the transfer, and the transcript and summary stay in the call details, so whoever follows up knows exactly what was discussed.
Can we run it on our own infrastructure?
Yes. The self-hosted option deploys the full platform in your VPC or on-premises, together with the LiveKit and SIP telephony stack, so call recordings, transcripts and customer data are stored inside your environment. Speech recognition, voices and the language model are called as cloud APIs from the providers you choose, such as OpenAI, ElevenLabs or Deepgram. This setup suits healthcare, legal, finance and public-sector teams with strict data residency requirements.
How much does an AI call center cost?
Tridan AI offers a Free plan to start, and the other plans are quoted on a call because the price depends on your setup. The main factors are the call minutes you expect each month, the number of voice agents and phone numbers, outbound campaign volume, and whether you need the self-hosted deployment. See the pricing page for the plan overview, then book a call for a quote.
Can the voice agent book appointments in Google Calendar?
Yes. With the Google Calendar integration connected, the voice agent checks availability during the call, books, confirms or reschedules the appointment and reads the time back to the caller. The booking appears in your calendar immediately and the call transcript records what was agreed. Google Calendar is currently the calendar supported for voice bookings, and outbound campaigns can remind customers of their appointments.
What happens when a caller asks for a human?
When a caller asks for a person, the voice agent follows the transfer rule you configure for that number: it tells the caller it is transferring them and puts the call through to your operator's phone number or SIP extension. After the call, the transcript, an AI summary and the outcome marked as transferred are saved in the call details, so your team can see what was discussed before the handover.
Does the AI answering service work with my existing phone number or PBX?
Yes. You can keep your existing business number by connecting it through Twilio or a SIP trunk to an Asterisk-based PBX that we host and monitor, or get a new number in minutes. Real-time audio runs on LiveKit either way. The cloud-hosted PBX documentation explains the SIP trunk and GSM gateway options step by step.
Last updated · Reviewed by Nemanja Milivojevic, Founder
Hear the Voice Agent Take a Call
Book a live demo and we'll set up a test call around your real use case, or talk to us about inbound, outbound and self-hosted options.
Or call our AI agent now:+381 11 635 5917