Empowering telecom. Inspiring subscribers. Engaging brands.

Where Every Call Begins with a Moment of Magic

Sonus turns ordinary ringback tones into unforgettable experiences. Built for telecom operators, content creators, and brands — transforming the ringback moment into a space for expression, connection, and monetization.

Personalized Experiences
Revenue Growth
Brand Integration
Sonus CRBT Platform
About Sonus - Telecom Providers

About Sonus

Sonus is a next-generation Caller Ring Back Tone (CRBT) platform that redefines how people experience phone calls. It blends personalization, entertainment, and promotion — letting every ring tell a story.

From individual tone dedications to full-scale brand campaigns, Sonus bridges creativity and technology to create a richer, more human calling experience.

Personalization

Every ring, uniquely yours

Entertainment

Engage with every call

Promotion

Brand moments at scale

Monetization

New revenue streams

Key Features

Powerful capabilities tailored for every stakeholder in the CRBT ecosystem

For Subscribers

Express Yourself in Every Ring

Start Copy Tone

Love what you hear? Press one key to make it yours instantly.

Tone Dedications

Send songs or personalized tones to friends and loved ones.

Event & Occasion Tones

Celebrate birthdays, holidays, or moments that matter.

Jukebox Mode

Rotate tones daily or by mood.

Gift & Share

Surprise friends with tones or theme packs.

Self-Service Access

Manage tones anytime via app, USSD, or web portal.

For Subscribers

Every call becomes a personal soundtrack.

For Operators

Engage. Retain. Monetize.

For Operators

Dynamic CRBT Management

Run seasonal, event-based, or targeted tone campaigns.

AI-Driven Recommendations

Launch targeted AI-guided campaigns that boost ARPU.

Real-Time BI

See real-time BI on tone adoption, revenue, and audience trends.

Smart Engagement

Use smart nudges to reduce churn and lift satisfaction.

Promotional Campaigns

Launch sponsored tones or pre-announcement ads for brands.

Flexible Pricing

Subscriptions, pay-per-tone, freemium, or ad-sponsored models.

Performance Insights

Real-time reports on tone popularity, usage, and revenue.

Multi-Channel Reach

Offer tones via SMS, IVR, app, or portal.

Sonus turns engagement into revenue — seamlessly.

For Content Providers & Brands

Your sound. Your reach. Amplified.

Audience Analytics

Understand your audience with clear engagement analytics.

Prove ROI

Prove ROI with campaign lift and reach metrics.

Data-Backed Insights

Optimize releases with data-backed recommendations.

Open Partner APIs

Upload, promote, and manage tones through a secure API.

Campaign Automation

Schedule releases, contests, or promotional tone drops.

Engagement Metrics

Measure engagement, reach, and tone adoption.

Corporate Branding

Add your sonic identity to millions of daily calls.

Revenue Sharing

Transparent, automated partner payouts.

For Content Providers & Brands

Your sound. Your reach. Amplified.

Why Choose Sonus?

  • Personalized Experiences

    Each caller hears something unique.

  • Powerful Monetization

    New revenue streams through tones, ads, and gifting.

  • Brand Integration

    Turn every call into a micro-campaign moment.

  • Simple Integration

    APIs, plug-and-play tools, and ready deployment.

  • Future-Proof

    Built for VoLTE, 5G, and cloud operators.

Platform Dashboard

Live
Active Subscribers

2.4M

Monthly Revenue

$847K

Content Library

125K+ Tones

Built for Every Stakeholder

Tailored solutions that deliver value across the entire CRBT ecosystem

For Telecom Operators

  • Increase ARPU with new revenue streams
  • Reduce subscriber churn with engaging content
  • Launch campaigns in minutes, not weeks
  • Full integration with existing BSS/OSS systems

For Content Providers

  • Monetize your catalogue globally
  • Real-time royalty tracking and reporting
  • Reach millions of engaged listeners
  • Automated content distribution and updates

For Subscribers

  • Personalize every call moment
  • Discover new music and artists
  • Easy management via app or USSD
  • Surprise callers with your style

The Sonus Promise

We believe every ring can create value — emotional, cultural, and commercial.

Sonus transforms those few seconds before "Hello" into a canvas for creativity and connection.

Sonus Systems — Turning every ring into a story.

Ready to Engage Your Subscribers in a Whole New Way?

Let's turn call waiting into your next growth channel.