12 Best Cloud Telephony Service Providers in India (2026)
Prashanth Kancherla
Sep 10, 2026 | 15 mins read
Choosing the right cloud telephony service provider in India depends on whether your team needs basic IVR, sales calling, programmable voice APIs, or enterprise-grade contact-center CX.
Key Takeaways
The short version, before you get into the comparison table and full provider profiles below:
- Cloud telephony replaces on-premise PBX hardware with cloud-hosted calling, IVR, recording, routing, and analytics, helping teams manage business calls without maintaining physical telecom infrastructure.
- Ozonetel pairs telephony with AI-powered routing, 50+ CRM integrations, omnichannel engagement, and contact-centre automation. It is built for scale rather than basic call handling, and pricing is custom-quoted rather than publicly listed.
- Budget-first options like MyOperator and Acefone can cover basic IVR, virtual numbers, and call tracking, but buyers should compare them carefully against AI depth, CRM workflow maturity, omnichannel capability, and enterprise support needs.
- TRAI/DoT compliance, DLT support, DND scrubbing, call recording controls, and data-handling rules are hard requirements for India-facing providers, not optional checkbox features.
- G2 scores vary by both rating and review volume. A 4.6 rating from hundreds of reviews carries a different level of confidence than a 5.0 rating from one or two reviews.
What is Cloud telephony?
Cloud telephony delivers business calling — inbound, outbound, IVR, recording, routing, and analytics — over the internet through a provider’s cloud infrastructure instead of on-premise PBX hardware. Numbers and call logic live centrally, so agents can take calls from any device, anywhere, while the provider handles the network and compliance layer underneath.
Cloud Telephony vs. Traditional PBX
This quick comparison is worth keeping because many buyers still evaluate cloud telephony against legacy PBX before they shortlist vendors.
Overview
Twelve providers make this list, spanning India-first cloud telephony specialists and global UCaaS/CX platforms with an India presence. They are compared by what they are actually built for — enterprise contact-centre CX, SMB call tracking, outbound sales dialing, or programmable voice APIs — rather than by feature count alone.
Best Cloud Telephony Providers in India, Compared
Use this table as the fast shortlist before reading the detailed provider profiles. Pricing and G2 ratings can change, so verify the current figures on vendor and G2 pages before publishing.| Provider | Best For | Pricing Visibility | G2 Rating |
|---|---|---|---|
| Ozonetel | Enterprise contact centres, high-volume CX, sales and support teams | Custom pricing / quote-based | 4.6/5 |
| Exotel | Marketplaces, app-led businesses, programmable voice workflows | Public business-phone plans start from ₹9,999 prepaid; enterprise plans vary | G2 profile available; verify live rating |
| MyOperator | Small businesses, startups, inbound call tracking | Public CPaaS plans listed from ₹5,000/month for 10 users | G2 profile available; verify live rating |
| Servetel / Acefone | Startups, SMEs, basic IVR and call management | Quote-led / subscription-based; confirm India pricing directly | Limited G2 review volume |
| Tata Tele Smartflo | Regulated large enterprises and telecom-backed cloud calling | Price available on request | No established G2 profile found |
| Airtel IQ | Nationwide enterprises and CPaaS workflows | Quote-based / not publicly listed | G2 profile available; verify live rating |
| RingCentral / RingEX | Global distributed teams and UCaaS users | Global pricing published; India-specific pricing may vary | 4.1/5 from 1,200+ reviews |
| TeleCMI | Automation-led sales and support teams | Global pricing visible; India pricing should be verified | G2 profile available; verify live rating |
| Knowlarity | Sales attribution, IVR, call tracking, lead management | Public voice plans listed from ₹1,999/month for contact-centre tiers | G2 profile available; verify live rating |
| CloudTalk | Outbound international sales and distributed teams | Global pricing starts from €19/user/month annually; India-specific pricing may vary | 4.4/5 from 1,700+ reviews |
| Cisco Webex Calling | Cisco/Webex-invested enterprises and global UCaaS teams | Global pricing visible; India pricing may vary | G2 profile available; verify live rating |
| CallHippo | International sales teams, startups, virtual numbers | Public pricing page available; verify current plan by product | 4.5/5 from 375+ reviews |
Provider Profiles
The full profiles below follow the same structure for each provider: what it offers, why businesses choose it, where it may fall short, integrations, best-fit use case, and G2 rating.
1. Ozonetel
Ozonetel is an enterprise-grade cloud telephony and CX platform built for businesses that manage high-volume customer conversations across sales, support, and service teams.
What it offers
Ozonetel combines core cloud telephony with AI, routing, analytics, omnichannel engagement, and contact-centre operations.
Why businesses choose it
Ozonetel is built for high-volume contact centres and enterprise CX teams that need more than basic calling — telephony, CRM workflows, AI, analytics, and omnichannel communication in one platform. It is trusted by 3,500+ businesses and supports 7B+ annual conversations across Ozonetel platforms.
Where it might fall short
Pricing is not published externally for this page flow. It is quote-based and scoped to agent count, call volume, channel mix, deployment requirements, and add-ons, so buyers should request a tailored quote rather than rely on third-party pricing estimates.
Which integrations does it support?
Ozonetel offers 50+ pre-built integrations, including Salesforce, Zoho, HubSpot, Freshdesk, and LeadSquared, alongside APIs for custom workflows.
Best for
Enterprise contact centres, BPOs, sales teams, and customer support teams across BFSI, healthcare, education, automotive, D2C, and other high-volume industries.
G2 rating
4.6/5 from approximately 620 reviews
Key features
- Cloud telephony for inbound, outbound, and blended calling
- AI-powered IVR and intelligent call routing
- Auto dialers for sales and customer outreach
- Omnichannel communication across voice, SMS, WhatsApp, chat, and digital channels
- Real-time dashboards, call reports, and agent performance analytics
- Voice AI Agents, Agent Assist, Voice of Customer, Quality Audits, and Knowledge AI
2. Exotel
Exotel is a cloud communication platform used for IVR, voice APIs, call masking, SMS, WhatsApp, and scalable customer communication workflows.
What it offers
Exotel is useful for businesses that need programmable voice, call masking, and communication APIs in addition to core IVR and call routing.
Why businesses choose it
Exotel is a strong fit for marketplaces, app-led businesses, and growing teams moving away from PBX hardware.
Where it might fall short
If your team needs broader contact-centre capabilities such as AI-led agent assistance, omnichannel CX, and advanced supervisor workflows in one platform, compare it side by side with a fuller CX suite.
Which integrations does it support?
Exotel provides connectors and workflow options for tools such as Zoho CRM, Salesforce, Freshdesk, and LeadSquared, plus webhooks and REST APIs for custom app workflows.
Best for
Growing businesses, marketplaces, app-based workflows, IVR, call masking, and programmable voice.
G2 rating
4.3/5 — 251 reviews
Key features
- Virtual and toll-free numbers
- IVR and call routing
- Call masking for privacy-sensitive conversations
- Voice APIs and programmable communication
- Call analytics and reporting
- SMS and WhatsApp communication support
3. MyOperator
MyOperator is an India-focused cloud telephony provider built for small businesses and growing teams that need simple IVR, call tracking, and team routing.
What it offers
MyOperator focuses on hosted IVR, virtual numbers, call recording, and practical call management for small teams.
Why businesses choose it
It is relatively easy to set up for small teams and works well for inbound call tracking and basic IVR without a heavy technical rollout.
Where it might fall short
It is less suited to enterprise contact centres that need advanced routing, AI agent assistance, quality monitoring, and high-volume omnichannel CX.
Which integrations does it support?
MyOperator connects with systems such as Zoho CRM, Freshdesk, and HubSpot, with integrations and API access primarily available on selected plans.
Best for
Small businesses, startups, and teams that mainly need inbound call management and basic IVR.
G2 rating
Low review volume (~24 reviews).
Key features
- Hosted IVR
- Virtual numbers
- Call recording
- Call logs and analytics
- Team and department routing
- WhatsApp and calling plans
4. Servetel / Acefone
Servetel, now operating under the Acefone brand, offers cloud telephony for startups, SMEs, and teams looking for virtual numbers, IVR, call recording, and basic communication automation.
What it offers
Servetel / Acefone covers standard cloud telephony needs such as virtual numbers, toll-free numbers, IVR, routing, recording, analytics, and communication APIs.
Why businesses choose it
It suits startups and SMEs with straightforward cloud telephony needs, especially teams trying to centralise customer calls without PBX hardware or a long implementation cycle.
Where it might fall short
It is built more for standard cloud telephony needs than for complex enterprise CX, AI-led automation, or high-volume, multi-team contact-centre operations. Confirm current India-specific pricing directly, since public pricing visibility varies by region and product.
Which integrations does it support?
Acefone offers standard integrations for tools such as Zoho, Salesforce, and Freshdesk, along with API support for custom connections.
Best for
Startups, SMEs, and budget-conscious teams that need virtual numbers, IVR, and basic call management.
G2 rating
Limited review volume under the Acefone listing; Servetel itself has no independent G2 profile.
Key features
- Virtual numbers
- Toll-free numbers
- IVR
- Call routing and forwarding
- Call recording
- Call analytics
- SMS and WhatsApp communication
5. Tata Tele Business Services — Smartflow
Smartflo is the cloud telephony platform from Tata Tele Business Services, often considered by Indian enterprises that prefer telecom-backed business calling infrastructure.
What it offers
Smartflo provides cloud-based business calling, IVR, routing, click-to-call, and enterprise-focused telecom support.
Why businesses choose it
It is backed by a well-known Indian telecom brand, which matters to procurement teams at large or regulated enterprises. It works well for multi-location teams that need virtual numbers and structured routing.
Where it might fall short
It may not be the strongest fit for teams that want a broader, AI-powered CX platform with advanced contact-centre automation and omnichannel engagement built in from day one.
Which integrations does it support?
Smartflo supports integrations with selected enterprise CRMs, including Salesforce, Zoho, and ERPNext on specific plan tiers.
Best for
Regulated businesses, large Indian enterprises, and teams that prefer telecom-backed cloud calling.
G2 rating
No established G2 review profile found; third-party marketplaces such as Techjockey carry limited user reviews.
Key features
- Cloud-based business calling
- Multi-level IVR
- Skill-based call routing
- Click-to-call
- Inbound and outbound call management
- Enterprise-focused telecom support
6. Airtel IQ
Airtel IQ is Bharti Airtel’s cloud communication platform for businesses that need voice, SMS, WhatsApp, video, and API-led customer engagement.
What it offers
Airtel IQ is positioned as a telco-backed CPaaS platform for enterprises that need programmable communication across multiple channels.
Why businesses choose it
Large Indian enterprises that value telco-backed infrastructure and nationwide reach often shortlist Airtel IQ, particularly for building communication into digital products.
Where it might fall short
It leans more infrastructure/API-led than a ready-to-use contact-centre platform. Buyers should read recent third-party reviews closely for implementation and support expectations.
Which integrations does it support?
Airtel IQ primarily integrates via REST APIs and webhooks that allow developers to connect communication capabilities into custom CRM and workflow environments.
Best for
Nationwide enterprises, CPaaS use cases, and businesses that want telecom-backed communication infrastructure.
G2 rating
1.4/5 from 6 reviews on the G2 seller listing.
Key features
- Voice, SMS, WhatsApp, and video communication APIs
- Virtual numbers
- Enterprise communication workflows
- Network-backed infrastructure
- Encryption and compliance-oriented capabilities
7. RingCentral / RingEX
RingCentral, whose core product is listed as RingEX, is a global unified communications platform combining cloud calling, messaging, meetings, video, and collaboration tools.
What it offers
RingCentral is a UCaaS platform that brings calling, meetings, messaging, apps, and administration into one global communications suite.
Why businesses choose it
It is useful for global teams that need calling, meetings, and messaging together, with mature unified-communications capabilities for hybrid workforces.
Where it might fall short
It may be more UCaaS-focused than most India-first cloud telephony buyers need, especially if local compliance or India-based implementation support are priorities.
Which integrations does it support?
RingCentral features a large app ecosystem, including integrations with Salesforce, Google Workspace, Microsoft 365, and other global business applications.
Best for
Global enterprises, distributed teams, and businesses looking for unified communications beyond cloud telephony.
G2 rating
4.1–4.2/5 from 1,400+ reviews.
Read RingCentral RingEX reviews on G2
Key features
- Cloud PBX
- Business calling and messaging
- Video meetings
- Desktop and mobile apps
- Team collaboration tools
- Enterprise administration
8. TeleCMI
TeleCMI offers cloud telephony, virtual numbers, IVR, and automation-focused communication tools for sales and support teams.
What it offers
TeleCMI combines voice, IVR, routing, analytics, automation, and digital communication tools for growing teams.
Why businesses choose it
It is a reasonable fit for teams that want cloud calling with automation built in, helping sales and support teams move from manual call handling to structured workflows.
Where it might fall short
It is not usually the first choice for larger enterprises that need mature omnichannel CX, complex governance, and advanced contact-centre operations.
Which integrations does it support?
TeleCMI connects with platforms such as Zoho, Salesforce, and Freshdesk, along with webhook capabilities.
Best for
Automation-led teams, sales teams, and growing support operations.
G2 rating
4.8/5 from 291 reviews.
Key features
- Virtual numbers
- IVR automation
- Call routing
- Call analytics
- SMS and WhatsApp communication
- Automation-led call workflows
9. Knowlarity
Knowlarity is a cloud communication provider known for IVR, virtual numbers, call tracking, and voice automation for sales and support teams.
What it offers
Knowlarity focuses on IVR, virtual numbers, call tracking, click-to-call, call masking, analytics, and API-led communication workflows.
Why businesses choose it
It is useful for call tracking and sales attribution, helping teams reduce missed calls and improve lead follow-up.
Where it might fall short
If your team needs advanced AI-powered agent assistance, omnichannel support, or enterprise CX workflows beyond voice automation, it is worth comparing directly with more comprehensive CX platforms.
Which integrations does it support?
Knowlarity features integrations with major systems such as Salesforce, Zoho, Freshdesk, and LeadSquared.
Best for
Sales and marketing teams, IVR, call tracking, and lead management.
G2 rating
Low review volume (~17–21 reviews).
Key features
- Multi-level IVR
- Virtual numbers
- Click-to-call
- Call masking
- Call tracking and analytics
- APIs for communication workflows
10. CloudTalk
CloudTalk is a cloud calling platform for sales and support teams, especially those that need outbound calling, international numbers, and performance analytics.
What it offers
CloudTalk provides calling, dialers, IVR, queues, recordings, analytics, global numbers, and CRM-connected workflows for distributed teams.
Why businesses choose it
It is strong for outbound sales teams, with useful rep-productivity analytics and a relatively easy onboarding process for distributed calling teams.
Where it might fall short
It is not built primarily for India-first enterprises that need local telecom depth, TRAI/DoT compliance support, and India-specific implementation guidance.
Which integrations does it support?
CloudTalk supports 100+ native CRM and business-tool integrations, including HubSpot, Salesforce, Pipedrive, Zoho, and Zendesk.
Best for
Outbound sales teams, international calling, and distributed sales operations.
G2 rating
4.4/5 from 1,745+ reviews.
Key features
- Power dialer
- Smart calling workflows
- IVR and call queues
- Call recording
- Analytics and reporting
- Global numbers in 160+ countries
11. Cisco Webex Calling
Cisco Webex Calling is a cloud calling and unified communications solution for enterprises that need secure global calling across hybrid and distributed teams.
What it offers
Cisco Webex Calling delivers enterprise cloud PBX, PSTN calling, device management, administration, analytics, and Webex ecosystem connectivity.
Why businesses choose it
It offers strong enterprise administration and security controls, making it a natural fit for organisations already running Cisco or Webex infrastructure.
Where it might fall short
It is more collaboration-suite-focused than most Indian businesses need when specifically comparing providers for IVR, BPO calling, sales outreach, or customer support routing.
Which integrations does it support?
Cisco Webex Calling integrates with Microsoft 365, Salesforce, Slack, and the broader Webex enterprise ecosystem.
Best for
Global enterprises, hybrid teams, and organisations already invested in Cisco collaboration tools.
G2 rating
4.5/5 from approximately 620 reviews.
Read Cisco Webex Calling reviews on G2
Key features
- Cloud PBX
- PSTN calling
- Device and user management
- Enterprise administration
- Analytics and reporting
- Webex collaboration ecosystem
12. CallHippo
CallHippo is a cloud phone system for startups, sales teams, and distributed businesses that need virtual numbers, call recording, and CRM-connected calling.
What it offers
CallHippo provides virtual numbers, dialers, recording, voicemail, web and mobile calling apps, and sales productivity features.
Why businesses choose it
It works well for startups and sales teams calling across regions, especially distributed teams that want global numbers without a lengthy setup.
Where it might fall short
It is less suited to India-heavy enterprise contact centres that need advanced local compliance support, high-volume routing, and AI-powered CX operations.
Which integrations does it support?
CallHippo connects with applications and CRMs including HubSpot, Zoho, Salesforce, and Pipedrive.
Best for
Startups, international sales teams, and businesses looking for a simple cloud phone system.
G2 rating
4.4–4.5/5 from approximately 400 reviews.
Key features
- Global virtual phone numbers
- Power dialer
- Call recording
- Voicemail
- Web and mobile calling apps
- Sales productivity features
What to Look for in a Cloud Telephony Provider
The best cloud telephony provider is the one that matches your call volume, compliance exposure, CRM workflow, and customer experience goals — not simply the one with the lowest monthly quote.
Regulatory compliance
Compliance should be the first filter for any provider handling customer calls, SMS, WhatsApp, or regulated data in India. Check whether the provider supports TRAI/DoT requirements, DLT registration for messaging, DND scrubbing, call recording controls, caller ID governance, and secure data-handling workflows. Ozonetel is built for India-facing enterprise communication workflows where compliance, auditability, and secure customer interaction handling matter at scale.
Call quality and reliability
Call quality becomes a business metric when sales, support, or collections teams depend on every conversation going through cleanly. Evaluate connection success rate, latency, uptime commitments, network redundancy, failover options, and performance during campaign spikes. Ozonetel is designed for high-volume contact-centre environments with dashboards and operational monitoring to help supervisors track call and agent performance.
Routing and IVR depth
A basic IVR can answer calls, but an enterprise-ready IVR should route customers based on intent, language, customer value, agent skill, business hours, and CRM context. Ozonetel combines AI-powered IVR, intelligent routing, ACD, and omnichannel routing for teams that need more than static menu-based call flows.
CRM and workflow integration
A cloud telephony platform is only useful if call data reaches the systems your teams already use. Prioritise maintained connectors for your CRM, helpdesk, or sales platform over generic API access. Ozonetel offers 50+ CRM integrations, including Salesforce, Zoho, HubSpot, Freshdesk, and LeadSquared, helping teams reduce manual logging and improve follow-up quality.
AI and agent productivity
AI should improve resolution speed, call quality, and agent consistency, not just add another feature label to the product page. Evaluate AI routing, agent assist, automated summaries, conversation intelligence, quality monitoring, sentiment analysis, and knowledge suggestions. Ozonetel’s AI suite includes Voice AI Agents, Agent Assist, Voice of Customer, Quality Audits, and Knowledge AI for contact-centre teams that want to improve both automation and human-agent performance.
Pricing transparency and total cost
The cheapest monthly plan is not always the lowest-cost deployment once minutes, numbers, storage, APIs, onboarding, and support are included. Ask vendors to break down platform fees, number rental, call charges, recording storage, CRM integration fees, AI add-ons, support costs, and implementation charges. Ozonetel uses custom quote-based pricing for enterprise and scale requirements, so buyers should request a tailored quote rather than rely on third-party pricing estimates.
Support and onboarding
Support quality matters most during migration, campaign launches, CRM changes, and unexpected call-flow failures. Check onboarding timelines, India-based support availability, escalation paths, documentation quality, and whether the vendor supports implementation for your specific CRM and call workflows. Ozonetel is positioned for enterprise deployments where onboarding, workflow configuration, and ongoing support are part of the buying decision.
Which Provider Fits Your Buyer Type?
A 10-person sales team and a BFSI contact centre optimise for very different things. Use these buyer profiles to decide whether you need basic telephony, CRM-connected sales calling, developer APIs, or a full contact-centre platform.
For Small Businesses & Startups (1–20 users)
Pricing model and setup speed usually decide it at this size. Watch for hidden costs such as virtual number rental, per-minute rates, and setup fees. You need working IVR and call recording, not a full analytics suite you will not touch for a year.
Ozonetel fit: Ozonetel competes on comprehensive contact-centre capability rather than self-serve starter tiers, making it better suited for fast-growing startups planning to scale beyond basic IVR within 12–18 months.
For Sales Teams
CRM integration is the whole ballgame, especially a real, maintained connector for the CRM you already run rather than generic API access. Click-to-call, outbound dialers, and rep-level call analytics matter more than raw feature count.
Ozonetel fit: Ozonetel is built for sales productivity with 50+ pre-built CRM integrations, including Salesforce, Zoho, HubSpot, and LeadSquared, plus automated outbound dialers.
For Customer Support Centres
Call quality, uptime, and monitoring tools such as listen, whisper, and barge stop being nice-to-haves in support environments. A dropped call or an agent going in blind on an escalation has a direct customer-experience cost.
Ozonetel fit: Ozonetel is designed for complex CX operations with AI routing, live supervisor consoles, Agent Assist, and automated quality auditing.
For Developer / API Use Cases
Documentation quality and API reliability decide this one, not the pricing page. If you are building calling into a product rather than running a call centre, you want programmable voice APIs and enough control to avoid needing vendor support for every change.
Ozonetel fit: Ozonetel provides programmable voice APIs alongside CCaaS tooling, though standalone API buyers may also want to evaluate pure CPaaS providers such as Exotel.
Is Cloud Telephony Right for Your Business?
If your team is still running calls through personal mobiles, a physical PBX, or a patchwork of forwarding rules, cloud telephony almost always pays for itself quickly in call visibility alone. The real decision is not whether to move to cloud telephony, but which tier you need: basic virtual-number-and-IVR, CRM-connected sales calling, programmable voice APIs, or a fuller CCaaS platform with AI routing and omnichannel support.
Still Evaluating Cloud Telephony Providers?
Frequently Asked Questions
A provider hosts your virtual numbers and call logic on cloud servers. Calls route through the provider’s network according to configured rules such as IVR menus, agent skills, business hours, and CRM context, then connect to agents on internet-connected devices.
The right provider depends on your business size, call volume, channels required (voice, WhatsApp, SMS), compliance needs, integrations, and scalability. Enterprises often need omnichannel and automation, while SMBs may prioritise affordability and ease of setup.
VoIP is the underlying technology that carries voice as data over the internet. Cloud telephony is a full business communication service built on top of VoIP, adding IVR, routing, recording, analytics, CRM integration, and compliance handling.
A traditional PBX is on-premise hardware a business owns, maintains, and scales manually. Cloud telephony moves that system to the provider’s cloud, reducing hardware maintenance and allowing agents to work from anywhere.
Cloud telephony pricing in India varies by provider, call volume, agent count, numbers, channels, integrations, and add-ons. Some vendors publish entry plans, while enterprise-focused platforms such as Ozonetel use custom quote-based pricing. Always ask about setup fees, number rental, per-minute charges, recording storage, API usage, AI add-ons, and support costs before comparing quotes.
Reputable providers offer encryption, access controls, defined data-retention policies, and audit logs. For BFSI, healthcare, education, and other regulated industries, confirm certifications, storage location, retention policies, and access controls directly with the provider.
Yes. Most established providers integrate with CRMs and helpdesks such as Salesforce, Zoho, HubSpot, Freshdesk, and LeadSquared either through pre-built connectors or APIs. Ozonetel offers 50+ pre-built integrations; buyers should still check the depth and maintenance quality of the specific connector they need.
For high-volume, AI-powered contact centres with deep CRM and omnichannel needs, Ozonetel is a strong fit because it is built for scale, routing depth, analytics, and agent productivity. For genuinely simple needs, providers such as MyOperator or Servetel / Acefone may be sufficient without over-buying.
Reputable India-facing providers should support TRAI and DoT compliance requirements, including DLT registration for messaging, DND scrubbing, and appropriate call recording and data-handling workflows. Confirm compliance as a baseline requirement with any provider, not an optional add-on.
