Voice broadcast calls that reach every phone
Call thousands of customers with a recorded or text-to-speech message. Let them press 1 to confirm or 2 for a callback, retry the ones who did not answer, and see every result live. Works on mobiles, landlines and feature phones.
- Recorded audio or text-to-speech
- Keypress (DTMF) replies
- Automatic retries
- Live call reports and API
What is voice broadcast?
Voice broadcast, also called voice SMS or outbound dialling (OBD), automatically calls a list of phone numbers and plays a recorded or text-to-speech message when each person answers. It works on any mobile or landline, including feature phones, and can capture keypress replies such as press 1 to confirm or press 2 for a callback.
Updated
Voice broadcast at a glance
- Also called
- Voice SMS, bulk voice calls, OBD (outbound dialling)
- Message source
- Uploaded audio recording or text-to-speech
- Reaches
- Any mobile or landline in India, including feature phones
- Responses
- Keypress (DTMF), for example press 1 to confirm
- Retries
- Busy, unanswered or switched-off numbers, at a gap you set
- Sending
- Web panel, Android app or voice API
- Pricing model
- Per pulse of answered call time; no rupee rates published
- Rules
- TRAI TCCCPR: consent, DND and calling-hour limits for promotions
How does a voice broadcast campaign work?
Set up a campaign in a few minutes in the panel, or run the same steps through the voice API.
- Create the messageUpload a recording, or type text and turn it into speech. Save it as a voice draft.
- Add contactsUpload Excel or CSV, pick a saved group or paste numbers.
- Set keys and retriesChoose what 1, 2 or 3 mean, how many retries and the gap between them.
- Schedule and sendSend now or pick a time when your audience is likely to answer.
- Read the reportAnswered, unanswered, durations and keypresses, live and exportable.
How do keypress replies and retries work?
Every answered call can end with a choice. Every unanswered call can get another try.
Add keypress options at the end of your message, such as press 1 if already paid, press 2 to pay this week, press 3 for a call from your team. Each keypress is saved against the caller's number, so you can export the list of people who pressed 3 and hand it to your team, or send it to your CRM through an ivr.input webhook.
Retries call back numbers that were busy, did not answer or were switched off. You choose the number of attempts and the gap between them, so more of your list actually hears the message without anyone redialling by hand.
Voice broadcast features
Everything you need to run voice campaigns at scale without a call centre.
Recorded audio or text-to-speech
Use a recorded voice for important announcements, or type text and convert it to speech when you need to send an update quickly. Text-to-speech can include each listener's name, amount and date. Read about text-to-speech calls.
Keypress (DTMF) responses
Ask listeners to confirm, decline, rate a service or request a callback. Responses are logged per number and can be exported or pushed to your CRM.
Smart retry
Automatic redials for busy, unanswered and switched-off numbers.
Scheduling
Plan campaigns ahead and send at the time that suits your audience.
Live call reports
Status, duration and keypresses for every number, as the campaign runs.
Voice drafts
Save approved recordings and reuse them for recurring reminders.
DND filter
Remove numbers on the DND register from promotional lists before you call.
Voice API
Start calls from your software, with sample code in PHP, Java and more.
Who uses voice broadcast?
Voice works when the message matters, when your audience may not read text, or when you want a quick spoken answer.
| Use case | What you send | Keypress you can capture |
|---|---|---|
| Payment reminders | EMI, bill, rent or subscription due dates from lenders, utilities and service providers | Press 1 if paid, press 2 for a callback |
| Schools and colleges | Fee reminders, holidays, exam schedules and emergency closures for parents | Press 1 to acknowledge |
| Announcements | Information from associations, housing societies, local bodies and campaigns, within applicable rules | Press 1 to hear the message again |
| Appointments and events | Clinic appointments, service visits, store openings, webinars | Press 1 to confirm, press 2 to reschedule |
| Feedback and surveys | Short post-service or post-purchase questions | Rate from 1 to 5 on the keypad |
| Promotions | Offers for retail, real estate and services, to consenting or non-DND customers | Press 1 for a call from sales |
What rules apply to voice calls in India?
Automated calls are commercial communication under TRAI's TCCCPR 2018, as amended.
- Promotional calls go only to customers who have not blocked them on the DND register, or who have given you consent.
- Under the 2025 amendments, promotional calls use 140-series numbers and service or transactional calls use the 1600 series where it applies to your sector.
- Promotional calls stay within permitted hours, currently 10 am to 9 pm under TRAI rules.
- Give listeners a way to opt out, and honour it.
- Handle phone numbers and responses as personal data under the DPDP Act 2023.
Rules change from time to time. Our team will tell you which category your campaign falls under before you send.
Upgrade to two-way calls with AI Voice
Voice broadcast plays one message and listens for a key. MsgClub AI Voice talks with each customer in Hindi, English and other Indian languages, answers questions, records a promised date or a confirmation, and sends a WhatsApp follow-up after the call. It is built for AI payment reminder calls, EMI reminders and COD confirmation calls.
How much does voice broadcast cost?
You pay for answered call time, counted in pulses. A pulse is a fixed block of seconds set in your plan, so a 25-second message on a 30-second pulse uses 1 pulse per answered call.
Keep it short
A message that fits in one pulse costs less and is more likely to be heard to the end.
Clean your list
Remove invalid and DND numbers from promotional lists to avoid wasted attempts.
Set sensible retries
A few attempts spread across the day often reach people who missed the first call, without annoying anyone.
See how MsgClub pricing works, or ask sales for current pulse rates for your volume.
Go further with voice broadcast
Connect voice with SMS, WhatsApp and your CRM through API and webhooks.
Voice broadcast use cases
Step-by-step guides with templates, best practices and what to measure.
Voice broadcast by industry
See how businesses like yours use Voice broadcast, with sample messages and ready-to-use templates.
Healthcare
Lending & subscriptions
Retail & hospitality
Education & hiring
Property
Auto & home services
Legal & finance
Business & public sector
Frequently asked questions
What is the difference between voice broadcast and IVR?
Voice broadcast is outbound: it calls a list of numbers and plays a message, optionally with keypress options. IVR usually handles inbound calls: customers call your number and press keys to reach a menu, a department or an agent. Many businesses use both from the same MsgClub account.
How is voice broadcast charged?
Voice broadcast is usually billed per pulse of answered call time, so a short message costs less than a long one. The pulse length and rate depend on your plan and route. Pricing is based on answered call time, not on how many numbers you upload. Ask our sales team for current rates for your volume.
Can I send voice calls to DND numbers?
Promotional voice calls must not go to numbers registered on the National Customer Preference Register unless the customer has given consent. Service and transactional calls follow separate TRAI rules. MsgClub offers a DND filter, and our team can explain which category your campaign falls under.
Which languages can I use?
Any language you can record, since you upload your own audio. For text-to-speech, Hindi and English are available, and more Indian languages are on request. Many businesses record the same message in two languages and send each list the right version.
How long should a voice broadcast message be?
Keep it short, ideally under 30 seconds. Say who is calling in the first sentence, give one clear message and one clear action, such as press 1 to confirm. Shorter messages are more likely to be heard to the end and use fewer pulses.
Can listeners talk back during a voice broadcast call?
Not in a standard broadcast: listeners can press keys, and a key can request a callback or connect to your team. For a real two-way conversation, use MsgClub AI Voice, where an AI agent talks with each customer in their language and records the outcome.
Can I trigger voice calls from my software?
Yes. The voice API starts calls from your CRM or app, using a saved voice draft or text-to-speech with variables. Webhooks return each call's result and keypresses, so your records update automatically.
Related products
Use them together from the same MsgClub account, with one API and shared reports.
Start sending in minutes
Create a free account to test the panel and API, or talk to our team about volumes, DLT setup and CRM integration.