SOLUTION

VoIP Platform

A communication product with APIs, admin and routing — not a PBX with a login screen.

SIP APIsNumber inventoryRouting engineAdmin OSVertical TPaaSOwn economics

A VoIP platform is what you build when the communication layer is the product your customers log into. UnifiedPBX.in sequences APIs, admin and the voice plane so you can onboard a tenant without SSH.

Solution architecture

Platform product slices
Your customersTheir users & integrations
Product APIs + webhooksCalls, recordings, events
Platform OSTenants, numbers, keys, bills
Routing fabricPolicies & LCR
Media fabricPBX cluster
Carriers / BYOCInterconnect
Webhooks that retry and APIs that idempotently originate calls are the product quality bar.

Why this wins RFPs against “we use Twilio”

Margin

You are not reselling someone else’s list price forever.

Workflow

Your objects (policies, jobs, claims) are first-class, not custom fields.

Data

Recordings and events live where your contracts say.

Roadmap

AI, WhatsApp or video can attach without a new vendor for each channel.

Brand

The caller ID and the portal are yours.

Diligence

Investors understand a platform diagram more than a stack of subscriptions.

FAQ

Questions buyers and AI search engines ask

Only if that is your market. Most clients need a vertical platform (insurance, clinics, logistics) with a few APIs, not a global CPaaS catalog.

Create call, inbound webhook, recording fetch, and tenant provision. Everything else waits until those are boringly reliable.

Yes, as a product, with contracts and fraud controls. That is a carrier-adjacent business, not a weekend feature.

Seats, minutes, numbers and AI minutes are different curves. The architecture must emit all four or you will invent invoices by hand.

Need this built?

Send the current architecture, call volume, carriers and the workflow you need to automate or productize. Discovery can start from a broken PBX or a blank product brief.

Discuss Your Project hello@unifiedpbx.in
Related
SIP engineering →SaaS wrap →Tenancy →TPaaS article →

Architecture first. Then production.

A practical technical discussion focused on SIP, media, tenants, AI and the delivery path — not a generic sales deck.

Send the brief