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Virtual Number

What are Numbers on CINNOX?

Numbers is a CINNOX feature that lets you manage the virtual numbers, service numbers, and personal numbers associated with your CINNOX service.

For more information, please refer to our User Guide.

What is a Virtual Number on CINNOX?

A virtual number is a phone number without a directly associated telephone line. CINNOX offers toll-free and local virtual numbers that let your customers around the globe call you at lower rates.

What is the Service Number on CINNOX?

A Service Number is a verified enterprise number that Staff members can use as Caller ID and SMS Sender ID when making outbound calls and sending SMS to their customers.

What is a Personal Number on CINNOX?

A Personal Number is a verified personal number that Staff members can use as Caller ID when making outbound calls to their customers and colleagues.

What is a cloud phone system?

A cloud phone system means the technology provider will host the service on a secure cloud data centre and deliver the product/service over the web. Businesses don't need a custom infrastructure to maintain their own hardware or spend a fortune on capital expenditure.

Can I use one phone number for all teams?

There are no limitations regarding using a single phone number across multiple teams. If this suits your business model, you can buy just one phone number and use it for all your teams and staff.

What types of virtual numbers can I buy?

  • Local/DID numbers – for local presence and two-way calling

  • Toll-Free numbers – for free inbound calls nationwide

  • Virtual Mobile numbers – for calls and SMS (ideal for OTPs and campaigns)

  • UIFN (Universal International Freephone) – one global freephone reachable in multiple countries

  • Vanity numbers – memorable, branded numbers

Which countries are supported?

We offer coverage in 160+ countries, including major markets like the US, UK, Hong Kong, Singapore, Japan, and more. Availability depends on the number, type, and local regulations.

How do I buy a virtual number online?

  • Visit our Service Hub page to order a virtual number: https://servicehub.cinnox.com/buy-virtual-number
  • Select country and number type
  • Choose capabilities (Receive Call, Make Call, Receive SMS, Send SMS)
  • Set call receiving preferences (phone, SIP, dashboard)
  • Create account → upload verification documents → pay → activate

What documents are required to buy a virtual number?
Compliance varies by country. Common requirements include:

  • Business Registration Certificate
  • Proof of Company Address – A recent utility bill, bank statement, or service bill verifying your business location.
  • Valid Identification – A government-issued ID (e.g., passport, national ID card, or driver's license) of the authorised representative.

Please refer to our Regulatory Requirements for details: https://docs.cinnox.com/docs/virtual-phone-number-business-verification-requirement-matrix

How long does it take for business verification to complete?
Business verification typically takes up to 3 business days for our operations team to complete, due to high demand and compliance checks.
We process requests during our standard operating hours to ensure accuracy and regulatory compliance.

How long does activation take?
Activation is typically instant or within minutes after payment. Some countries require KYC documents (business registration, proof of address, ID).

What does pricing look like?

  • Monthly number fee
  • Usage-based rates for calls and SMS
  • Rates vary by country and number type. CINNOX provides a rates calculator for transparency.

Can I show my number as the caller ID or SMS sender ID?
Caller ID and SMS sender display depend on local telecom regulations and may not be guaranteed in all regions.

How are incoming calls handled?
You can route calls to:

  • IVR menus
  • Staff or teams
  • Mobile/PSTN phones
  • SIP trunks (please contact us to set up the SIP Connection with your SIP Trunk)

Can I port existing numbers or use my own carrier?
Yes. CINNOX supports number porting and Bring Your Own Carrier (BYOC) for inbound or inbound+outbound calls. Please contact us - https://www.m800.com/contact-us

What add-ons are available?

  • Call recording & transcription
  • Voicemails and call forwarding

For Omnichannel messaging (WhatsApp, Facebook Messenger, LINE, email) and other features, please contact us - https://www.m800.com/contact-us.

How do I ensure compliance for SMS campaigns?
Follow local opt-in/opt-out rules, register sender IDs where required, and use verified service numbers for higher deliverability. Please contact us - https://www.m800.com/contact-us

Can I scale to thousands of numbers?
Yes. CINNOX supports enterprise-level scaling with automated provisioning and bulk discounts. Please contact us - https://www.m800.com/contact-us

Can I use virtual numbers to receive SMS verification codes (OTPs)
While many of our customers successfully receive SMS OTPs from various platforms and services, we cannot guarantee this for all providers.
The ability to deliver verification SMS depends on each third-party provider’s policies, which are outside our control.

What is the pricing for an 800 number (Universal International Freephone Number - UIFN)
UIFN pricing varies by country and setup requirements. Because rates depend on multiple factors (coverage, routing, compliance), please contact our sales team for a customized quotation -https://www.m800.com/contact-us

Can I send or receive SMS using a Chinese virtual number?
No. Due to regulatory restrictions in China, our virtual numbers for China do not support SMS. You can still use these numbers for voice calls, but SMS (including OTPs or marketing messages) is not available.

I need a Chinese virtual number to receive SMS. Is that possible?
No. Due to strict regulatory policies in China, CINNOX virtual numbers for China do not support SMS capabilities.

What is your cheapest plan for toll-free numbers that can make and receive calls as well as SMS?
Pricing for toll-free numbers with both voice and SMS capabilities depends on the country, number type, and usage requirements.
Please check our Pricing Page for the latest rates: https://www.m800.com/pricing.
Please contact our sales team for a customized quotation - https://www.m800.com/contact-us.

I need an eSIM that can receive calls, SMS, and work with WhatsApp. Do you provide this?
We do not provide eSIMs. Our service is based on cloud (virtual) numbers—no physical SIM or eSIM required. With our virtual numbers, you can make/receive voice calls and—in supported countries— send and receive SMS are available as well. While many of our customers successfully receive SMS OTPs from various platforms and services, we cannot guarantee this for all providers.

The ability to deliver verification SMS depends on each third-party provider’s policies, which are outside our control.

I need a virtual number for the USA. Do you provide this?
Yes! We offer US virtual numbers, including:

  • Local numbers (DID) for two-way calling
  • Toll-Free numbers for free inbound calls nationwide
  • Virtual mobile numbers for calls and SMS

Order online on our Service Hub page https://servicehub.cinnox.com/buy-virtual-number?preferCountry=US

Check our pricing and charge details: https://www.m800.com/rate-table/usa

I need a virtual number for Hong Kong. Do you provide this?
Yes! We offer Hong Kong virtual numbers, including:

  • Local numbers (DID) for two-way calling
  • Toll-Free numbers for free inbound calls nationwide
  • Virtual mobile numbers for calls and SMS

Order online via our Service Hub: https://servicehub.cinnox.com/buy-virtual-number?preferCountry=HK
Check our pricing and charges details: https://www.m800.com/rate-table/hong-kong

I need a virtual number for China. Do you provide this?
Yes! We offer China virtual numbers for voice calls only.
Due to strict regulatory policies in China, SMS capabilities (including OTPs or marketing messages) are not supported on China virtual numbers.

Order online via our Service Hub: https://servicehub.cinnox.com/buy-virtual-number?preferCountry=CN
For pricing and charges details, please check: https://www.m800.com/rate-table/china

The telephone number I purchased is not showing on my account. What should I do?
Please navigate to your CINNOX service account: Administration → Channels → Numbers. Your purchased number should appear there.
If it’s still missing after payment, please contact our support team for assistance.

Why can I not make phone calls? I have credit, and my number comes with a plan. I tried calling a number, and it didn’t work.
Verify your number status: Navigate to Administration → Channels → Numbers in your CINNOX account to confirm the number is active.

Calling method: You can make calls using CINNOX in several ways, depending on whether you're calling from the CINNOX Web Browser or the CINNOX App.
Check our detailed guidelines here:https://docs.cinnox.com/docs/calling-and-dial-pad?search=1#Dial Pad - Off-net Calls

Where can I see the inbox of SMS, and how can I respond to each SMS?
You can manage SMS messages directly in your CINNOX account.

Please refer to our detailed guide in the CINNOX Help Center:
https://docs.cinnox.com/docs/sms-inbox-send-receive-sms

This guide explains how to:

  • Access your SMS inbox
  • View incoming messages
  • Respond to each SMS

Additionally, you can check your received SMS from: Reports → Message Report → SMS Reports → Report Details

I tried to sign up for CINNOX, but when I clicked the link in the email, I got “invalid link” or “the page link has expired.” What should I do?
If you see “invalid link” or “the page link has expired” when clicking the verification link in your email, please contact our support team by filling out a form so we can troubleshoot the issue and help you complete your account setup --> https://www.cinnox.com/contact-us.

Do you allow payment with cryptocurrency?
No, we do not accept cryptocurrency payments. We currently accept credit cards for online payments.

I’m looking for a phone number to make cold calls to property owners in Dubai. I want it for local calling only. How does it work?
You can purchase a UAE (Dubai) local virtual number through CINNOX for local calling. Here’s how it works:

  • Local Presence: Your virtual number will have a Dubai area code, making your calls appear local to recipients.
  • Voice Calls: You can make and receive calls using the CINNOX Dashboard or App—no physical SIM required.
  • Compliance: Ensure your use case complies with UAE telecom regulations (cold calling rules may apply).

Order Online: https://servicehub.cinnox.com/buy-virtual-number?preferCountry=AE

Pricing Details: https://www.m800.com/rate-table/united-arab-emirates

For cold or bulk calling or advanced features, contact our sales team: https://www.m800.com/contact-us.

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Last modified: 2026-01-14