endorsedOngoing

OTT Communication Platform for BTCL: Mobile Apps & Softswitch

Services Covered:

API Development • Custom Software Development • Mobile Application Development • Software Maintenance and Support

Industry

Telecommunications

Duration

79 months

Budget

Confidential

Start Date

1 January 2020

Team Size

6-10 Employees

Engagement Model

Onshore

Project Capability Score (PCS)

80/100

Strong

Project Capability Score (PCS) estimates how capable REVE Systems is of successfully delivering a project like this, based on its past experience, track record, and ability to handle similar work. Learn more about PCS

Client

BTCL

Bangladesh

Project Summary

REVE Systems Ltd. developed and delivered a carrier-grade OTT communication app and backend for BTCL, including Android and iOS apps, Class 5 softswitch integration, RCS messaging, and cloud scalability. The solution achieved high reliability and performance (99.9% uptime), met technical and performance goals, and continues to be supported with ongoing maintenance and updates.

Key Challenges

Design and develop a next-generation OTT communication application
Strengthen digital presence and retain fixed-line user base
Provide unified HD voice/video calls, instant messaging, and conference calling integrated with telecom infrastructure
Ensure cloud scalability to support millions of users and reliable real-time billing

Project Deliverables

Android and iOS mobile apps (OTT communication)
Class 5 softswitch integration with real-time billing
RCS-based messaging and conference calling support
Cloud-scalable backend to support millions of users
Online recharge, voice and bundle package purchase features
Virtual IP–based calling for local and international communication
Billing and payment module integration

Project Solution

REVE Systems designed and implemented an end-to-end OTT communication ecosystem. They built Android and iOS mobile apps, integrated a Class 5 softswitch with real-time billing, implemented RCS-based messaging and conference calling, and architected a cloud-scalable backend to support millions of users. The solution included online recharge and bundle purchase features and virtual IP-based calling for local and international use. REVE worked closely with the client's technical team on requirements, security protocols and user experience, and provided ongoing maintenance and support post-launch.

Project Outcome

The OTT platform achieved 99.9% uptime
Low-latency voice and video performance with reliable billing and payment modules
Development and deployment completed on schedule meeting technical and performance goals
Smooth post-launch operation under ongoing maintenance and support

Platforms

Mobile
Cloud

Tech Stack

iOS
Android

Client Endorsement

Overall Review Rating

Timeliness

Cost Rating

Willing to Refer

Quality of Deliverables

“REVE Systems Ltd. has delivered the app on time, meeting all technical and performance goals. The app has been running smoothly under the vendor's maintenance and support. REVE Systems Ltd. has demonstrated excellent project management, effective communication, and deep expertise in the field.”
Anonymous
Manager, BTCL at BTCL
Date: 08/17/2026