Voice Calling

Start engaging better over voice

Enable personalized engagements with voice conversations and enhance user experience.

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Trusted by your favorite brands

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Automated and personalized voice communications

Our voice messaging services include Outbound Dialing, Inbound Dialing, Missed Call, and Voice OTP. Built using state-of-the-art tools and SaaS technology, our voice platform provides attractive turnkey applications to increase productivity and enable businesses to deliver a personalized customer experience for sharper engagement, better business, and enhanced revenue streams.

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Features that help you deliver impressive results

Highly secured

While you focus on business objectives, we provide you a seamless, highly secure experience. Our services are hosted in a datacenter, offering the highest level of multiple layered physical and e-security.

Infrastructure uptime

We know what smooth communication means for your business. With Sinch, your infrastructure uptime is guaranteed to be 99.999%.

Flexible and reliable

Built using SaaS technology, our solution combines carrier-grade flexibility and offers several innovative self-service and agent-assisted applications that improve operational efficiency. Sinch is a bankable and reliable solutions provider for your business. The request to enterprise / third-party also happens over secured HTTPS.
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Outbound Dialing

Sinch’s outbound IVR lets you manage customer interactions in outbound calls via pre-recorded voice messages and text to speech technology. Sinch API and UI based Campaign Manager tool makes it easy for an enterprise to manage their outbound interactions and campaigns easily.

Our OBD Campaign Manager is quick and easy way to broadcast pre-recorded voice messages to your customers. Our simplified user interface lets you quickly pick your sender, receiver, and send your voice campaigns in minutes. You can use OBD Campaign Manager to send important alerts, promotions, updates, and notifications to customers, employees, voters, and more.

With Sinch’s click-to-call solution, businesses can instantly integrate our API to implement a click-to-call service for their customer-facing teams. In simpler terms, it allows a customer to receive a call from any business by just dropping their number on the company website/app.

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Inbound Dialing

Automate inbound voice-based processes with our powerful Interactive Voice Response (IVR) service. Whether you are responding to a customer’s repetitive queries or directing the caller to the right person, our powerful platform can help you streamline your inbound call experience.

Pre-call notification is fixed pulse service that allows you to play a recorded message for promotional or informative purpose. The call gets disconnected after the voice message has been played. Any response against the request can be sent over the SMS.

Hello-Info is a toll-free service that allows your customers to connect with you in an easy and no-cost way. Sinch’s hello info service is a fixed pulse service that lets you play a recorded message for promotional or informative purpose. Any response against the request can be sent over the SMS.

Frequently asked questions

Sinch supports the use of both Static and Dynamic CLI. Our provisioning team will help you with the configuration while onboarding the account.

Yes, you can share a pre-recorded audio file in .wav format to configure it as a template on the Sinch application.

Migration of VMN is possible provided the VMN is registered in the name of the customer with the operator.

You can use Sinch OBD API to convert text into human sounding voice in your call flows.

Sinch IVR infrastructure is integrated with both SIP and PRI to achieve maximum flexibility.

Sinch supports all major Indian regional languages and English.

User inputs are captured by Sinch Application for the call flows configured as “call flow with DMTF”. User inputs are available in detailed report. 

Yes, you can use OBD call backed by SMS service to use this functionality.

You can use Sinch’s Speech Synthesis Markup language (or SSML) to customize your voice response.

Yes, missed call service can be configured for handling dynamic or static response over SMS or outbound call.

Yes, you can select your Campaign type as Promotional or Transactional while creating the campaign.

Please connect with our sales team. They will assist you for the Virtual number procurement.

Sinch application allows its customer to record inbound IVR and conference calls.

Data Protection is our highest priority at Sinch. Sinch Platform supports security features like access from whitelisted IP address, 2 factor authentication and number masking to avoid any unauthorized access to your data.

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