A menu in the wrong language
Callers had to ask for their own.
Dialogflow multilingual voice agents for contact centers serving more than one language
Dialogflow multilingual voice agent automation that speaks the caller's language and answers from one approved source
Dialogflow supports many languages, both root languages such as English and locale-specific ones such as Portuguese for Brazil, and the speech recognition and voice are chosen for each. BoldBellows records the caller's language, the speech model and the session ID before the first question is asked, answers in the language the caller speaks and checks quality language by language, then chooses the languages and locales that match your callers, sets the speech recognition and voice for each, keeps a single set of intents and answers in the default language, adds the translations through the language settings, tests every flow in every language, and passes the language to the person if a call is handed over. A caller who switches languages mid-call is offered the switch, not forced through a menu.
View Pricing
From $1,410, paid once. Build a multilingual voice agent.
- Build a multilingual voice agent
- Speech set up per language
- One set of answers
Four things this Dialogflow AI route gets right
- Speech set per languagerecognition and voice
- One source of truthno copies per language
- Checked by native listenersin each language
- Handoff in their languageto the right queue
- No lock-inThe configuration stays yours if you stop working with us
- One fixed pricefrom $1,410, paid once, and the PDF handover stays with your admins
B2Before and after
A menu that starts in English loses the caller before the first word
Callers speak the language they think in. A menu that begins in English and asks them to choose loses some of them at once, and the ones who stay hear synthetic speech that was never tested in their language. Keeping a separate copy of every answer in every language soon puts them out of step. Locale differences matter too: Portuguese in Brazil is not Portuguese in Portugal, and a wrong choice makes the agent sound foreign. A handoff to a queue that cannot speak the caller's language undoes the rest.
Sound familiar?
Voices never tested
Speech was not checked per language.
Copies out of step
Each language had its own answers.
The wrong locale
Brazil and Portugal were treated alike.
A handoff to the wrong queue
Language was not passed.
Quality nobody checks
No native listener reviewed calls.
The same contact center, understood by callers in any language it serves
Before
- The same change can land more than once
- The agent greets everyone in one language
- Each language keeps its own copy of the answers
After
- What is already there is found by a combination of the session ID, the language and the speech model
- Callers are answered in their own language
- One set of answers serves every language
D4How it works
How a call in any language becomes an answer in the same language
In the Dialogflow Multilingual Voice Agent service, what reaches the AI workflow has passed a rule, a key check and a search.
1. Open the event properly
Identifiers and time are recorded, the source state is read and the Dialogflow event is assessed against the route brief.
2. Detect, select, answer
The language is identified, the speech model and voice are chosen, and the answer is drawn from one source.
3. Translate, check, hand over
Translations are tested by native listeners, and any handoff carries the language.
E5Inside your workflow
Inside the multilingual voice agent: the parts that listen, answer and check
Clear is the minimum for live use; Careful and Continuous add the parts that matter once volumes grow.
Clear
Entry rule checker
Tests every event against the entry rule and records which clause it passed or failed.
Clear
Stable identity ledger
Keeps the evidence behind each suggestion next to the Dialogflow object it concerns.
Clear
Redaction rules
Applies redaction rules for sensitive Dialogflow values before anything leaves for the AI workflow.
Careful
Language selector
Chooses the language, voice and speech model for each call.
Careful
Caller matcher
Classifies each arrival against a combination of the session ID, the language and the speech model, leaving ambiguity to a named owner.
Careful
Locale and fallback matrix
Decides supported locales, the default and what happens when unsure.
Continuous
Quality register
Turns silent drift between Dialogflow and the AI workflow into a short, dated worklist.
Continuous
Drift monitor
Flags answers that differ between languages.
Continuous
Open-case summary
Gives the route owner a short summary of open cases and their ages.
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G7Who it is for
For car rental firms, then for those who serve callers in their own language with one Dialogflow agent: set up speech recognition and voices per language, keep one set of answers, handle a language switch and check quality with native listeners
Callers want help in the language they speak, and contact centers want to keep one set of answers.
Caller
"Speak my language."
The agent answers in it.
Contact center director
"One set of answers."
With Dialogflow Multilingual Voice Agent in place, there is a single source of truth.
Regional manager
"Our market too."
Each language is checked.
Content owner
"Don't maintain five copies."
One source serves all.
Agent on duty
"Understand the handoff."
The language arrives with it.
Owner
"Reach more customers."
No one is turned away.
Priced by callers, languages and answers
Cost your multilingual agent, one language at a time
Clear opens at $1,410.
View Pricing
One setup fee
I9Your options
A phone menu that starts with press one for English, zap or a Dialogflow voice agent that speaks the caller's language: which carries Dialogflow into the AI workflow?
Each can translate a sentence. Only one sets speech per language, answers from one source and checks quality per language.
| How a call starts | A language menu | A generic voice bot | Our multilingual voice agent |
|---|---|---|---|
| What starts the work | Somebody with a spare minute | Events without a qualification step | A Dialogflow event matching the route brief |
| How identity is decided | Hunted through both tools | Email alone | One key: session ID, language and speech model |
| What reaches the AI workflow | Whatever seemed important | One row of raw values | An answer in the caller's language from the approved source, with review flags |
| After an uncertain result | Left for the next person | Reports an error, nothing more | Searches, compares, repairs or hands to a named owner |
Late event, settled state
A notice that arrives after the Dialogflow record has moved on is logged and closed; the proposal in the AI workflow stays correct.
A caller starts in English and switches to Italian
The agent offers the switch, the language and voice change for the rest of the call, and the handoff, if needed, goes to the Italian-speaking queue. The verdict comes from a combination of the session ID, the language and the speech model: absent, matching, differing or ambiguous, all recorded. The result is recorded either way, so the decision can be audited.
A combination of the session ID, the language and the speech model goes in first, then the mapping, then the branches.
Pricing
Build your Dialogflow AI Multilingual Voice Agent price
Pick a package, answer three short questions about how Dialogflow data should reach AI Multilingual Voice Agent, and your price and turnaround move as you choose.
J11The process
Six steps from an English-only menu to a multilingual agent
No surprises: six steps, with the output of each one agreed in advance.
-
Day 1
Choose the languages
We list the languages and locales your callers use, the volume of each and who can review them.
-
Access review
Approve access
We arrange narrow Dialogflow access, confirm the model provider and its data terms, and settle how decisions are identified.
-
Build phase
Agree the rules
The default language, the speech settings, the fixed texts and the review process are written out and approved first.
-
Before you review
Prove it on a copy
On this Dialogflow Multilingual Voice Agent service, every path, including the failing ones, is run against a copy of the AI workflow before production is switched on.
-
Release day
Launch with notes
Go-live begins at an agreed checkpoint, and a PDF then explains each rule and safeguard.
-
Day 1
Live check-in
With Dialogflow Multilingual Voice Agent in place, we compare live behavior with the brief and update the handover wherever reality differed.
K12Turnaround
The clock, package by package
The schedule starts when Dialogflow access and the approvers are confirmed.
Clear
6 to 10 business days
Careful
10 to 16 business days
Continuous
16 to 24 business days
L13Getting started
Inputs we need from you
Someone with authority over Dialogflow to grant read access
A Dialogflow CX agent with a phone integration, your answers in one main language and a native listener for each language
Approval to read the Dialogflow fields listed in the map
Your current manual steps for this Dialogflow event, so we can match them
Who signs off the handover notes at the end
A backup contact for approvals
M14Safety and ownership
Secure by being small: few fields, few permissions
Access is limited to the Dialogflow objects in scope, the model gets a minimized view, and a person approves what changes anything.
Only what the platforms allow
Every action taken in Dialogflow and the AI workflow is one their own documentation supports; nothing relies on an unofficial shortcut.
Scoped, revocable access
The route asks for read rights where it only needs to read.
A deliberately small payload
Keeping the payload small reduces risk and makes each write to the AI workflow faster to check and easier to repair, in the Dialogflow Multilingual Voice Agent service.
Reconcile, do not resend
For Dialogflow Multilingual Voice Agent, a retry reconciles what the AI workflow already holds against what was intended, then writes only the difference.
Minimal logging
Diagnostics record status codes and checkpoints, nothing sensitive.
Full handover
At the end you receive the full documentation and can run the route without us.
N15In their words
What BoldBellows clients say
Verified reviews from business owners who use BoldBellows automations every day, from marketing and sales to support and operations.
AI Workflow Automation for Agencies
Running a digital agency with many clients was overwhelming. BoldBellows built one automation dashboard that tracks tasks, sends updates and creates client reports automatically.
Clients love the transparency and we love the time we get back. Productivity is up, and project delays have dropped to almost zero.
AI Customer Journey Automation
We wanted a smoother path from first contact to purchase. BoldBellows built an AI system that guides each customer there automatically.
It sends personalized messages, recommends products and follows up at just the right moment. Customer retention has improved dramatically.
AI Automation Partner
BoldBellows is hands-down the best AI automation partner we’ve worked with. Their systems are fast, reliable and built around how our business actually works.
Every automation they’ve delivered, from customer service to content, runs flawlessly. We’ve saved time, cut costs and grown faster than we expected.
AI Chatbot & Customer Support
BoldBellows built an AI support chatbot for our online boutique, and it has changed how we run the business. We used to have two full-time staff answering the same questions all day. Now the AI handles order tracking, product recommendations and even refund requests on its own.
What surprised me most is how natural it sounds. Customers compliment the ‘agent’ without realizing it’s AI. Our support workload dropped by 75% and customer satisfaction went up dramatically.
AI Content & Social Media Automation
Our marketing agency couldn’t keep up with content. BoldBellows set up an AI content engine that writes blog posts and captions and even designs our social media creatives.
It spots trends and suggests topics for us, so we stay ahead of competitors. We now produce three times the content with the same team, and engagement has soared. They didn’t just automate our workflow, they lifted our whole brand.
AI Lead Qualification & Sales Automation
Our sales team wasted hours chasing cold leads. BoldBellows built an AI lead-scoring system that reads behavior, email engagement and buying signals.
It filters out weak leads and sends personalized follow-ups automatically, so our team only talks to people who are ready to buy. Conversions rose 40% in the first month. It paid for itself straight away.
AI Video & Voice Automation
We publish product videos every week, and BoldBellows introduced us to AI video automation. The system writes the script, voices it and produces the finished video in minutes.
The quality is remarkable: professional voiceovers, clean visuals and smooth editing. Production time went from three days to under 30 minutes, and we scaled our video marketing without adding cost.
AI Email & Smart Inbox Management
Our inbox used to be chaos. BoldBellows built an AI email system that sorts messages, drafts replies and flags anything urgent.
It learns how we write and gets better every week. We reply faster and no longer miss important messages. It feels like having a personal assistant working around the clock.
AI Booking & Scheduling Automation
Our coaching business needed a better way to schedule. BoldBellows automated all of it: bookings, reminders, cancellations and follow-ups.
No-shows fell by 60% and clients enjoy how smooth it is. It feels personal, not robotic. One of the best upgrades we’ve made.
AI Translation & Localisation
When we expanded abroad we needed fast, accurate translations. BoldBellows built an AI translation system that turns our content into several languages instantly.
The translations read naturally and suit each culture. We now serve customers in five new countries without hiring translators. BoldBellows helped us go global.
AI HR & Recruitment Automation
Our HR team was drowning in applications. BoldBellows automated screening, skills-based filtering and interview scheduling.
It saves us hours every week and means we only interview qualified people. Hiring is now faster, better organized and more professional.
AI Accounting & Invoice Automation
BoldBellows automated our whole invoicing process: creating invoices, sending reminders and tracking payments.
Late payments dropped sharply, and our accounting team finally has time for strategy instead of repetitive admin. Worth every penny.
AI Data Entry & Reporting Automation
We used to spend hours collecting data and building weekly reports by hand. BoldBellows automated all of it.
The reports are clean, visual and easy to read, and our managers rely on them for quick decisions. Human error is gone and our numbers are more accurate across the board.
AI E-commerce Listings Automation
BoldBellows automated our product listings. The AI writes descriptions, organizes photos and publishes listings across several marketplaces.
It even answers customer questions instantly. Our store looks more professional and sales have noticeably increased.
AI Document & Contract Automation
Onboarding was slow because we wrote every contract by hand. BoldBellows automated the lot: contracts, welcome emails and client setup.
What took 48 hours now takes under 10 minutes, and clients regularly tell us how professional it feels.
AI Social Comment & DM Automation
We get thousands of comments and messages every week. BoldBellows built an AI system that replies instantly, filters spam and surfaces the important ones.
Engagement is up and our page looks active around the clock. It’s like having a full social media team that never stops.
AI CRM Automation
Our CRM was barely used because updating it by hand was tedious. BoldBellows automated data entry, tagging, segmentation and follow-ups.
Now the CRM is always up to date and our campaigns are far more accurate. It improved our whole sales pipeline.
AI Voice Assistant
BoldBellows built a custom AI voice assistant for our customer hotline. It answers questions, books appointments and handles simple requests.
Customers love how fast it is, and our call-centre workload dropped dramatically. One of the smartest upgrades we’ve made.
P16FAQ
Dialogflow multilingual voice: what regional teams ask
If you are weighing this up, these are the points that usually matter.
Do we need this if Dialogflow already has AI features?
A zap delivers callers answered in their own language from one set of approved answers. It leaves you to choose speech models per language, keep one source of truth or check quality in each language. It is that layer the packages price.
How many languages can an agent use?
Many; the supported list is in Google's language reference.
Do I need answers per language?
No. One source in the default language can serve every language, with translations added.
What about locales?
Root languages are used where possible, with locale-specific ones where the differences matter.
How is quality checked?
Native listeners review calls in each language.
What about the phone gateway?
It supports languages that have both speech recognition and speech synthesis.
Can the agent switch languages mid-call?
Yes, by offering the switch.
Who signs off the Dialogflow fields the model sees?
Yes. Nothing from Dialogflow reaches the model unless it is on the approved list, and nothing is written back unless it is on the write list.
Will it fit how our Dialogflow work is organized?
Yes. Qualification rules, proposal types and approvers are all set to your process, from $1,410.
Can we swap the model provider later in the Dialogflow Multilingual Voice Agent service?
Each external dependency is recorded. If one changes, the route refuses to guess and flags the record. Repair after the review period is a new, priced task. Related searches this service covers include custom dialogflow multilingual voice agent automation.
Q17Answer every caller in the language they speak
Give your callers a voice in their own language
The Dialogflow AI route is quoted first, from $1,410.
- From $1,410, paid once
- Speech set per language
- One source of truth
- No monthly fee from us
Tell us about the complications and we will fold them into a custom quote.