Case Studies · Proven Outcomes

Real results,
from real customers.

Every project below is a concrete problem with measurable numbers. Some client names are anonymised under NDA — the architecture and outcomes are real.

CS/01·Telecommunications · AI Platform

Designing an AI Communication Multi-tenant Platform for Telcos (2026)

Carrier-grade multi-tenant CPaaS+CCaaS platform with native Vietnamese voicebot, omnichannel (Voice, Zalo, WhatsApp, Messenger, LINE, FB) and built-in LLM/RAG — designed for telcos to resell as a turnkey AI Communication service.

Multi-tenant

Tenant isolation by design

6 channels

Voice + 5 messaging apps

<300ms

Voicebot turn latency (p50)

99.99%

Platform SLA target

SoftSwitchAarenet SBCWebRTCVietnamese ASR/TTSLLM Gateway + RAG+4

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CS/02·Public Sector · Telecom Billing

SoftSwitch Billing platform for 20,000+ subscribers — Vietnamese public-sector tender (2025)

End-to-end charging, rating, invoicing and self-care platform for an internal SoftSwitch serving 20,000+ subscribers at a major Vietnamese public-sector body; built to public-sector security and audit requirements, integrated with existing SoftSwitch CDR and finance systems. Client identity withheld under NDA.

20,000+

Subscribers billed

100%

CDR reconciliation rate

Real-time

Charging & balance updates

Tender-won

Awarded 2025

SoftSwitch CDRJava/SpringPostgreSQLKafkaDrools Rating+3

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CS/03·Contact Center · Integration

Designing a Connector linking Salesforce, Voice SoftSwitch and Voice SDK for a 500-agent Contact Center (2024)

A purpose-built Connector that fuses Salesforce CRM, the carrier-grade Voice SoftSwitch and a browser Voice SDK into a single agent workflow — click-to-dial, screen-pop, call control and full activity logging for 500 agents.

500

Concurrent agents

1 click

From CRM record to live call

<1s

Screen-pop latency

100%

Calls auto-logged to Salesforce

Salesforce Open CTIVoice SoftSwitch (SIP/REST)WebRTC Voice SDKNode.jsRedis+3

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