GLOBAL VOICE CONNECTIONS

Build reliable conference calling into your product

Add secure, multi-party phone conferencing to any app with just a few API calls.  Sinch gives you global reach, SDKs for every platform, and full control of the in-call experience.

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Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world

EASILY CONNECT CALLERS

Why developers choose Sinch for conference calling

Sinch’s conference calling is built on our programmable Voice API and offers simple integration, global reach, and granular participant management. Launch secure, high-quality conference calls quickly and without telecom expertise.

Simple integration

Integrate our REST API or SDKs into your stack in minutes and start hosting multi-party conference calls.

Global reach and reliability

Connect callers worldwide using Sinch’s distributed voice network, backed by a >99.95% SLA for low-latency, reliable phone conferencing.

Full control and customization

Manage, mute, record, or remove participants via API, and tailor IVR, music-on-hold, and more to your workflow.
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INCREASED EFFICIENCY & AUTOMATION

Automate routine conference tasks at scale

Automate conference call workflows with IVR menus, PIN-based access, and built-in room management to save time and reduce manual effort.

  • Self-service PIN entry for secure conference access

  • Easy creation and teardown of conference rooms

  • Lower manual overhead for support teams

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IMPROVED CUSTOMER EXPERIENCE

Deliver smooth, personalized voice interactions

Detailed participant controls make every conference call professional. Mute, hold, or record individuals in real time for faster issue resolution.

  • Real-time mute, hold, and remove via API

  • Play branded music-on-hold for waiting users

  • Record calls for quality assurance and training

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PROVEN SCALABILITY & RELIABILITY 

Grow without limits on an enterprise-grade network 

Sinch supports billions of interactions and offers phone numbers in over 70 countries, with a >99.95% SLA across five AWS regions.

  • Enterprise-grade voice network with global partners

  • Redundant, cloud-native architecture

  • ISO 27001-certified and GDPR-compliant

TOP USE CASES

Where conference calling drives impact

Virtual meetings

Help remote teams collaborate with high-quality audio and real-time participant control—no downloads needed.

Telehealth

Connect doctors and patients for secure consultations, with options for recording and transcription.

Customer support

Allow agents to add experts to calls instantly, resolving issues on the first interaction.

Cloud communications integration

Embed scalable phone conferencing into CCaaS or UCaaS platforms to expand capabilities without new infrastructure.

KEY FEATURES

Build more with our conference calling API

Granular participant management

Easily mute, unmute, hold, resume, or remove any caller for complete in-call control.

Conference-level management

End a meeting for everyone or clear the room instantly from your side.

Music on hold (MoH)

Play custom audio to solo or on-hold participants for a professional experience.

IVR for conference entry

Prompt callers for a PIN and route them to the correct room using flexible IVR scripts.

Conference recording

Record entire conferences or individual tracks for compliance, training, or analytics.

Multi-channel access 

Let users join via PSTN, SIP, or in-app WebRTC for maximum convenience.

Live conference control

Retrieve live call data and adjust participant states in real time through REST endpoints.

Flexibility in call initiation

Use callouts to dial participants automatically and connect them to a shared room.

Conference calling FAQs

Conference calling is built on Programmable Voice and lets you programmatically create, manage, and control multi-party conference calls within your application. You can add, mute, or remove participants, automate entry with IVR and PINs, and record calls via API.

You have full, real-time control using the API. Mute, unmute, hold, or remove callers individually, list attendees, or end the call for all participants.

Yes. Set up an IVR prompt to collect and verify PINs, making sure only authorized users join your conference calls.

Participants can dial a standard phone number (PSTN), connect via SIP from office systems, or join through your app using in-app calling.

You need a Sinch account, access to the REST API or SDK, a callback server for webhooks, a Sinch phone number, and configuration in the dashboard.

Talk to an expert about conference calling for your product

Learn how to use our APIs and SDKs to add reliable, scalable conference calling into your product.