Billing Management: #7 Usage Billing in Telecom & Internet Service Provider

Billing Management: #7 Usage Billing in Telecom & Internet Service Provider

Telecom and Internet Service Providers operate in markets where usage varies drastically from one customer to another. While flexible, usage-based models align revenue directly with consumption, they also introduce operational challenges like real-time tracking, precise rating, and transparent invoices.


Many providers still see these models as complex to automate. But the reality is that the right billing infrastructure can turn this complexity into a scalable, data-driven process. Zoho Billing offers that infrastructure, which is adaptable enough for both ISPs and telecom service providers to manage millions of usage events daily.

Below are two scenarios that show how Zoho Billing supports usage billing models in these industries.

Scenario 1:  

A regional internet service provider, having 25,000 residential customers and 3000 small businesses, decided to move away from the traditional fixed monthly broadband plan. They let the customers pay entirely based on how much data they consume rather than setting up a standard base fee. The structure is simple,

  • $0.40 per GB for the first 500 GB

  • $0.30 per GB for the next 500 GB

  • $0.20 per GB beyond that.

This model gives customers flexibility while ensuring revenue reflects actual network usage. To make this model work,

  1. The ISP (Internet Service Provider) must capture live data usage from its network monitoring system.

  2. Rate the usage according to defined tiers.

  3. Generate accurate invoices each billing cycle without manual calculation.

 With Zoho Billing, a usage-based pricing engine, and API integration, the ISP connected its network management platform directly to its billing system. Every gigabyte consumed by a customer was sent as a real-time usage record.


In Zoho Billing, the ISP once defined usage tiers and rates. The system automatically applied those rates at the end of each billing cycle, calculating charges based on total consumption.

Let's take a residential broadband plan with three users sharing one data pool. Total monthly usage is recorded as 1.28 TB (~1,280 GB)

Item

Value

Total Usage

1,280 GB

Tier 1: 500 GB x $0.40

$ 200

Tier 2: 500 GB x $0.30

$150

Tier 3: 280 GB x $0.20

$56

Total Invoice Value

$406

 
The invoices were then generated automatically, including a detailed usage summary. The customer could view their live usage within the client portal through data fed directly from the same APIs, providing transparency throughout the month.


Scenario 2:  

A telecom operator runs a postpaid service where users subscribe to a base plan, and the customer pays for additional voice and message usage. It has a strong customer base of over 120,000 postpaid subscribers. The base plan costs $50, covering 100 minutes of domestic and 50 international calls and 100 SMS. Additional usage costs:

  • $0.05 per minute for local calls.

  • $0.10 per minute for international calls.

  • $0.01 per SMS

Managing this type of billing requires:

  1. High-volume usage capture from the telecom mediation system.

  2. Accurate categorization of usage (local vs international calls, SMS).

  3. Real-time rating to prevent discrepancies.

  4. Generation of detailed transparent invoices.

Since the telecom operator handles millions of call records monthly, even small inefficiencies could lead to significant revenue leakage.


Zoho Billing was integrated directly with the Call Detail Record (CDR) system via API. As calls and SMS were logged, corresponding usage data was pushed automatically to Zoho Billing, categorized by type. Each usage metric, such as local minutes, international minutes, and SMS, was mapped to the respective price brackets. The platform automatically applies rates and calculates the total charges at the end of each billing period.

Let's take a subscriber who makes 780 minutes of local calls, 90 minutes of international calls, and 310 messages in a billing cycle.

Items

Rate

Amount

Base Plan

$50

$50

Extra domestic calls 680 minutes

$0.05

$34

Extra international calls 40 minutes

$0.12

$4.8

Extra 210 SMS sent

$0.01

$2.1

Total Invoice Value

$90.9

 
The invoice generated through Zoho Billing gives a clear usage summary. This transparency strengthens customer confidence and reduces disputes over billed usage. Telecom providers maintained their pricing structure with minimal billing overhead, scaling up new offerings without changing their core system.


Potential Shift 
Across the connectivity industry, usage-based billing is becoming the new standard. Success depends on a system that can manage continuous usage flow, accurately rate customers, and clearly communicate with them.

Zoho Billing enables this transformation by providing an adaptable billing infrastructure that handles real-world complexities with built-in handlers. This allows industry experts to focus on innovation and not manual reconciliation. It helps service providers manage the full lifecycle of usage-based revenue with reliability and precision.


NotesAs we drive across industries in each post, the next sector, the next post will be on Usage Billing in Logistics & Delivery. 

    • Sticky Posts

    • Community Learning Series | Digest #5 — September 2020

      Dear customers, We're happy to bring you the September edition of our #CommunityDigest! Keep track of your subscription KPIs right from your smartphone: Last month, we enhanced our Android mobile app to help our customers get daily updates on their business health. We got to know from a lot of customers that this has made their job much more easier because they no longer have to keep a reminder to manually check on the previous day's revenue or activations. If you have not downloaded it yet, here's

    • Community Learning Series | Digest #4 - August 2020

      Dear customers, We hope you're staying safe and healthy. I'm happy to bring you the fourth edition of our #CommunityDigest with some brand-new updates from us. 1. Daily Business Updates (for Android users) The Zoho Subscriptions Android app has got a cool new update: You can now get a push notification to your smartphone that lets you know how many activations and cancellations have taken place, and what's the net revenue for the previous day. The best part is, you can tell the app when exactly you

    • Community Learning Series | Digest #3 - July 2020

      Dear customers, We hope you're staying safe and healthy. We're glad to bring you the July edition of our #CommunityDigest. New community members can view our previous newsletters here. This time, we have two major updates and three interesting topics for you: 1. Zoho Subscriptions Developer Community Since the inception of Zoho Subscriptions, our team believed that the recurring billing platform we provide should be able to offer an extensive API library that empowers businesses to automate most

    • Introducing: Community Learning Series | Digest #1 - May 2020

      Dear customers, We hope you are staying safe and healthy. Helping businesses manage their customer subscriptions more efficiently has always been, and always will be, our goal at Zoho Subscriptions. We strongly believe this is possible if we grow together as a community and share what we know with each other. To nurture this shared learning experience, here is our brand-new Community Learning Series! ​ Welcome to the first edition of our digest! Each edition of our community digest includes guides

    • Recent Topics

    • PDF Generator Upgrade

      Hi Team, What will happen if I don't make any changes for existing template. Zoho just ask us upgrade but haven't tell the benefit. Zoho Corporation

    • Delete button

      Hi, The delete button were hide into the three dot button. Can I display outside? why Zoho make this update?

    • Zoho Subscriptions -- Zoho Commerce integration

      Is there integration between Zoho Subscriptions and Zoho Commerce? I would like to create subscription plans in Zoho Subscritpions and list them for on my Zoho Commerce store.

    • Synching changes to Stripe when changes are made in Zoho Billing

      We have a situation where we have merged customers in Zoho BIlling and then found out later that the payment in Stripe was not updated and still associated with the old customer record. The card gets updated and billed, but that payment is still associated

    • How can I link Products in a Deal Subform to the Products Module

      Hello, I have a pricing subform on our Deals page and use a lookup field to associate a product with each line. I want to be able to look at a product page within the Products module and see a list of the deals connected to that product. I have this working

    • Help Center and SEO: Any Benefit to My Domain-Mapped Website Ranking?

      First of, I love the Help Center which I've just decided to integrate into my website to replace its old-fashioned FAQs. So much more to achieve there now! Lots of new benefits to the site visitors and to me in terms of organizing and delivering all the

    • Business Hours with lunch break

      Our business hours are: mon - fri 08:30 - 13:00, 15:00 - 18:30. How can I handle the lunch break? If I use 8:30 - 18:30 it obviously breaks SLA. Thanks

    • Zoho Desktop App- Unable to Minimize/Freezes

      I'm having issues with my Zoho Mail desktop app (PC). When go on my desktop and open the app this is what happens: - Unable to minimize and close app (in the screenshot attached you can see at the top right there is no option to minimize/close) - Unable

    • Can Zoho Marketing Automation send OTP codes via WhatsApp during user registration?

      The flow I would like to implement is: A user signs up in the mobile app and enters their phone number. The system generates a one-time verification code (OTP). The OTP is sent to the user via WhatsApp message. The user enters the code in the app to confirm

    • Enable Free External Collaboration on Notecards in Zoho Notebook

      Hi Zoho Notebook Team, I would like to suggest a feature enhancement regarding external collaboration in Zoho Notebook. Currently, we can share notes with external users, and they are able to view the content without any issue. However, when these external

    • Can I export to PDF in Zoho Learn

      I have seen help pages where export to pdf options are available but I do not see that option available from the application. I see that exprt is available in my free trial version but that is only to html pages. I need to be able to export my manuals

    • Zoho Commerce

      Hi, I have zoho one and use Zoho Books. I am very interested in Zoho Commerce , especially with how all is integrated but have a question. I do not want my store to show prices for customers that are not log in. Is there a way to hide the prices if not

    • Zoho Sprints iOS app update: Global view, screen capture control, file encryption, tags enhancement

      Hello everyone! We are excited to introduce new features in the latest version(v2.1) of the Zoho Sprints iOS app update. Let’s take a quick look at what’s new. 1. Global view Global view brings all your project items into one centralised space. You can

    • Marking a meeting 'done'.

      I would like to somehow mark a meeting 'done' and placed under the contact's page rather than deleting it and having no record of it. Am I missing a button that does this?

    • Zoho Projects Android and iOS app update: Conditional layout rules for Tasks

      Hello everyone! Task conditional layout rules configured on the web app(projects.zoho.com) are now applied on the Zoho Projects Android and iOS app. Conditional layout rules can be set for the Add/ edit task form and it allows you to change the property

    • How to account for vat with postponed VAT accounting

      Hi everyone, looking for some help with postponed VAT accounting, I use DHL express for my imports and they used to pay the VAT for me and then invoice me. I could then log this as a bill and the VAT element from import was recorded as input VAT, all

    • Introducing Formula Fields for performing dynamic calculations

      Greetings, With the Formula Field, you can generate numerical calculations using provided functions and available fields, enabling you to derive dynamic data. You can utilize mathematical formulas to populate results based on the provided inputs. This

    • Zobot with Plugs

      Hello, I am having a problem with Zobot using Plugs. Here is my current flow: When I run the flow, I should immediately see the messages from the initial cards (Send Message cards), then after running the plug, and finally, see the messages after the

    • Use URL field to populate Image in a Email Template

      We have two records Record 1: Appointments (with a Lookup to Doctors module) Related Record 2: Doctors (with a URL field that is an image of the doctor) We would like to populate a CRM email template with the image of the URL field for the related doctor

    • Is there a way to show contact emails in the Account?

      I know I can see the emails I have sent and received on a Contact detail view, but I want to be able to see all the emails that have been sent and received between all an Accounts Contacts on the Account Detail view. That way when I see the Account detail

    • Invalid scope choice: Workdrive integration in CRM

      Bug: There is an invalid option in the permission choices for Workdrive integration in CRM. If the entry "WorkDrive.teamfolder.CREATE" is selected, it will return a message indicating invalid OAuth scope scope does not exist.

    • Dark Mode - Font Colors Don't Work

      When editing a document in Dark Mode and selecting font colors, they don't show up on screen.  Viewing/editing the same document in Light Mode shows them just fine.

    • Good news! Calendar in Zoho CRM gets a face lift

      Dear Customers, We are delighted to unveil the revamped calendar UI in Zoho CRM. With a complete visual overhaul aligned with CRM for Everyone, the calendar now offers a more intuitive and flexible scheduling experience. What’s new? Distinguish activities

    • Zoho mail admin panel not opening

    • Zoho CRM WooCommerce Integrtation

      Looking for a solution for my 50 client to show detailed analytics on source of traffic that led to events, leads, conversions. Hi all, I have not been able to find a workable guide or solution to how exactly step by step integrate the Zoho CRM with WooCommerce

    • Attaching files to emails within CRM Deals.

      Hello, We have recently started using the extension "Workdrive for CRM" (Related List) to view/store our documents for each Deal, instead of using Attachments. Overall it feels like a better way to go but the user experience is not so great when it comes

    • Service line items

      Hello Latha, Could you please let me know the maximum number of service line items that can be added to a single work order? Thanks, Chethiya.

    • 500 internal server error on opening an iframe through a deluge script

      Hi Team I am trying to open an external url in an iframe through my deluge script which is associated to a custom button . By doing this i am getting an "Internal Server Error" . Please can you help me with this.

    • Kaizen #225 - Making Query-based Custom Related Lists Actionable with Lookups and Links

      Hello everyone! Welcome back to another post in the Kaizen series! This week, we will discuss an exciting enhancement in Queries in Zoho CRM. In Kaizen #190, we discussed how Queries bridge gaps where native related lists fall short and power custom related

    • No Need To Fix Something That Is Working

      Zoho Books is a great financial tool which helps businesses to become more efficient and productive with day-to-day operations. As such, every change, upgrade, improvement needs to be carefully thought before implemented in the software and I'm sure Zoho

    • Filter button in the Zoho Sheet Android App doesn't toggle on

      I am a new Zoho Sheets user and experiencing a specific issue with the filter functionality in the Android mobile application. Detailed Issue Description: The filter icon appears correctly in the toolbar. Upon tapping the filter icon/button, the toggle

    • Is Zoho Sites still actively being developed?

      Hello, Is Zoho Sites still actively being developed as part of the Zoho ecosystem? I noticed that the What's New page (https://www.zoho.com/sites/whats-new.html) does not show any updates since Q1 2025. We were considering migrating our website from Squarespace

    • Project Notifcatiion Emails - Milestone

      Hello: I cannot get myself, or most importantly my portal client user to recieve an email upon completion of a milestone. I have set up our 1st project. I have set up a test client user. (accepted the invitation and is listed in the system as a client

    • Zoho Forms - Feature Request - Year Field

      Hi Zoho Forms Team, You currently have the following date and time fields: Date Time Date and Time Year and Month It would be useful if you could include a "Year" field For example a recent application I completed said "What year was your house built?"

    • Integrate Excel or Zoho Sheet functions / calculations to CRM product module

      Hello Community, I hope someone more experienced can help me with this question. Our price / payment plan calculations are in an Excel spreadsheet and I would like to use all those functions / calculations in my Products module. So when we send a quote

    • Sync CRM Contacts to USER'S contacts on Office 365

      I can see that the O365 sync is transferring contacts backwards and forwards between Zoho CRM and Office365. But it has created a separate address book in Office 365 called "Zoho CRM Contacts". This address book is not used by Office/Outlook's email function

    • Manage Every Customer Conversation from Every Channel inside Zoho SalesIQ

      Your customers message you from everywhere. But are you really able to track, manage, and follow through on every conversation, without missing anything? With interactions coming in from websites, mobile apps, and messaging platforms like WhatsApp and

    • Zoho Books | Product updates | February 2026

      Hello users, We’ve rolled out new features and enhancements in Zoho Books. From Advanced Reporting Tags to the ability to mark projects as completed, explore the latest updates designed to improve your bookkeeping experience. Introducing Advanced Reporting

    • Update latitude & longitude address field API

      How do I update the coordinates of an address field from a widget? I can't modify the latitude and longitude of the address field. I think the problem is how I'm writing formdata variable. zoho_init.then(function (data) { var queryParams = ZOHO.CREATOR.UTIL.getQueryParams();

    • Zoho Forms - Feature Request - Past Into Scanning/OCR Field

      Hi Zoho Forms Team, You recently introduced the OCR/Scanning field which I have found great use for with one client who receives work orders as a screenshot from one customer. I want to raise a feature request here which would make that field even more

    • Next Page