Expert Curated

Best Cloud PBX Solutions for Indian Businesses in 2026

Traditional EPABX hardware is expensive, difficult to maintain, and does not support remote work. Cloud PBX replaces hardware with software — Indian businesses get virtual numbers, IVR, call queues, and call recording without buying physical phone systems. We review the best cloud PBX options for India.

1. Zoom Phone

Best cloud PBX for Zoom-using businesses

Zoom Phone is a full cloud PBX built on the Zoom platform — Indian DID numbers, IVR, call queues, voicemail-to-email, call recording, and analytics. Calls made and received in the same Zoom app as meetings.

Pros

Indian virtual numbers (DID)
Same app as Zoom Meetings
Unlimited calling within India
Mobile app for remote workers

Cons

Requires Zoom Business Plus plan
No IP phone hardware from Zoom (use third-party)

Best for: Zoom users wanting to replace EPABX without learning a new phone platform

2. Microsoft Teams Phone Direct Routing

Best cloud PBX for Microsoft 365 enterprises

Teams Phone System converts Microsoft Teams into a full enterprise PBX — Indian PSTN calling via Direct Routing (using licensed Indian SBC vendors). Calls, meetings, and chat from one Teams app.

Pros

Native Teams integration
Enterprise call routing (IVR, hunt groups, auto-attendant)
Compliance recording (SEBI, RBI requirements)
Works with existing Teams infrastructure

Cons

Requires SBC (Session Border Controller) from a licensed Indian vendor
Complex setup — needs IT expertise or partner help

Best for: Enterprise Microsoft 365 deployments wanting to consolidate all communication in Teams

3. Ozonetel CloudAgent

Best India-built cloud PBX

Ozonetel is India's most deployed cloud telephony platform — IVR, ACD (automatic call distribution), call recording, CRM integration, and Indian number porting. Built for Indian PSTN and Hindi language IVR.

Pros

Indian company — India support
Hindi and regional language IVR support
Indian number porting within 5 business days
Pay-per-use for low-volume calls

Cons

Less UCaaS feature set than Zoom Phone or Teams
Interface needs modernisation

Best for: Indian businesses with high inbound call volumes needing India-native cloud call centre features

4. Knowlarity SuperReceptionist

Best virtual number for Indian SMBs

Knowlarity provides Indian toll-free (1800) and virtual numbers with multi-level IVR, call routing to mobile phones, and missed call marketing — all without any hardware. Setup in 24 hours.

Pros

24-hour setup — fastest in India
Toll-free 1800 numbers
Missed call lead capture
No IP phones needed — routes to mobile

Cons

Call quality varies by region
Less advanced than Zoom Phone for enterprise

Best for: SMBs wanting a professional phone system with IVR in 24 hours, routing calls to team mobiles

5. 3CX (On-Premise/Cloud PBX)

Best hybrid cloud PBX for Indian offices

3CX is a software-based PBX that runs on a Windows or Linux server (on-premise) or in the cloud — used by Indian companies wanting IP phone compatibility with cloud management.

Pros

Works with existing IP phones (Yealink, Polycom)
On-premise or cloud deployment
WebRTC (web browser calling)
Significant cost savings vs proprietary EPABX

Cons

Requires server (on-premise) or VPS (cloud)
Annual licensing cost per simultaneous call

Best for: Businesses with existing IP phones wanting modern PBX features with cloud management

Frequently Asked Questions

How much does it cost to replace an EPABX with cloud PBX in India?

Cloud PBX typically costs ₹500–1,500 per user per month vs traditional EPABX which costs ₹50,000–5,00,000 upfront (hardware) + ₹15,000–30,000/year maintenance. Cloud PBX has no hardware, no maintenance, and scales instantly. Payback period is typically 12–24 months.

Can I keep my existing office phone numbers when switching to cloud PBX?

Yes — Indian PSTN numbers (landline and mobile) can be ported to cloud PBX platforms. Landline porting to Zoom Phone or Ozonetel takes 5–10 business days. Toll-free (1800) numbers require TRAI approval and take 2–4 weeks to port.

Does cloud PBX work during power outages at an Indian office?

Yes — cloud PBX routes calls to mobile phones during power outages. Since the PBX software runs in the cloud (not at your office), calls can be routed to any mobile number when the office is down. Configure mobile failover routing as part of the initial setup.

Replace your EPABX with a cloud phone system — number porting, IVR setup, and team training included.