Kaizen 159 - Configuring Telephony Extension Widget in Zoho CRM

Kaizen 159 - Configuring Telephony Extension Widget in Zoho CRM




Hello Developers! 

Welcome back to the Widgets fold in our Kaizen series.

In this post, we will learn how to build a custom telephony extension widget for call centers and deploy it within a Zoho CRM organization. This helps in establishing unified communication support without leaving the platform.

Why configure a Telephony?

Telephony integration with Zoho CRM is vital for businesses that rely heavily on customer communication and sales. Following are a few key reasons for its vitality:
  • Centralized Communication: Make and receive calls directly within the CRM, streamlining the communication process.
  • Automatic Call Logging: Calls are automatically logged, helping businesses track communication history without manual effort.
  • Enhanced Collaboration: Sales, marketing, and customer service teams can access shared communication logs for improved teamwork.
  • Automated Follow-Ups: After each call, you can trigger follow-up tasks or emails, ensuring no lead is forgotten.
While the Zoho Marketplace within Zoho CRM offers a variety of telephony extensions, we will look at how to create a private extension that allows you to customize the integration to suit your specific needs.

Info
Note:

For this demonstration, we will use RingCentral as our telephony platform. Although RingCentral is available in the marketplace, we will assume it is a private connected app in this scenario.

Business Scenario

Imagine that you are running a sales agency and you want a widget that lets your sales reps make calls directly from Zoho CRM while tracking all call details seamlessly within CRM records.

The private extension should allow you to control the user interface, customize call-related actions, and manage data flow directly into the CRM, optimizing your sales process.

Creating a Private Telephony Extension

Start by logging into your Zoho CRM account and follow the below steps to build a private extension powered by Zoho Sigma. 

Set Up a Private Extension

1. Navigate to Setup > Marketplace > Extension Builder.

2. Create a workspace in the new tab and click on the New Extension button.Provide the necessary details as shown in the image and choose the service as Zoho CRM.


3. Provide the necessary details as shown in the image and choose the service as Zoho CRM.



4. Click Create.

5. The private extension that you have created will be listed in the Extensions page. Choose your extension and click the edit icon. 
You will be redirected to the Zoho Developer Console



Configure the Telephony Widget 

6. In the console, go to Utilities > Connected Apps on the left-side menu.

7. Follow the steps provided in this kaizen to create a new Zoho CRM widget for this use case. 

8. Fill in the details of the application as shown in this image. 



We have chosen External Hosting for the demo, as our sample widget code is hosted on Amazon Web Service (AWS).

Refer to the 'Code Logic for Integration' section below to see how the widget code should be handled.

9. Click Save.

Code Logic for Integration

10. Here is the core logic for handling telephony events like Dial and DialerActive using the Zoho CRM JS SDK:

DialerActive Event Listener:
  • This listener is triggered when the softphone icon at the bottom of your screen is toggled.
  • It makes a call to the dialed number using Ring Central SDK.
Dial Event Listener:
  • The listener is activated when a user initiates a call from a Zoho CRM record using the phone icon next to the Phone fields.
  • The phone button passes the specific record data to the widget, allowing Ring Central to display the record name and dial the number. Following it, the Ring Central SDKs play the role to execute call related functions.
Call Completion and Notes Update:
  • Once a call ends, the widget opens a note section.
  • The text added to the widget is fed to the Notes Related List of the corresponding record using the Add Notes SDK.
For detailed instructions and to get started, the demo code is available on our GitHub page. Ensure to replace your telephony app credentials, SDKs, and its versions in the rc.js and handler.js files to suit your production needs.

Configure the Call Center

11. Navigate to Build > Telephony in the left menu. 

12. Provide a Name and the Resource Path of your widget. 



13. Click Save.

Packaging and Publishing

14. Go to Package > Publish on the left-side menu and publish the extension. 

15. You will receive a prompt asking if you would like to submit your extension to the Marketplace and avail it like other telephony platforms. 
Once submitted, the review process will take from three weeks to one month for approval.



Instead of waiting for approval, we will proceed with deploying the extension using the private plugin deployment link.

Deploy in your Organization

16. Log into your Zoho CRM organization.

17. Replace the URL of your Zoho CRM page with the deployment link from the Developer Console to install the widget extension.

18. Approve the addition of this extension to your CRM.

19. Once installed, refresh the page and check for the softphone icon at the bottom of your screen.



Click the icon to log in to your telephony platform, such as RingCentral.

Try it Out! 

Once the softphone is installed, try out the following features:
  • The softphone icon opens an iframe dialer pad.
  • You will see a phone icon near the Phone data fields, enabling quick calls directly from the record.
  • After calls, you can take notes and log them as a related list for the CRM record.

Additional Components

Consider adding these components to enhance the functionality of your telephony extension widget:
  • Call Recordings Widget: Create a related list widget that automatically stores all call recordings for future reference. Refer to this page for help. 
  • Call Analytics: Using Ring Central SDKs support users can integrate call duration, frequency, and outcomes into a CRM dashboard Widget for performance tracking.
  • Custom Workflow Triggers: With the help of Insert Records SDK in the extension widget, you can automatically log the call details into the Calls module. This enables you to trigger workflow rules for follow-up tasks, notifications, or actions based on call outcomes. 
From managing call center operations to automating task follow-ups, the potential of widgets is vast and adaptable to a variety of business needs. We encourage you to explore the complete potential of widgets to build custom solutions that elevate your workflows. 

For further assistance, explore our Widget fold in the Kaizen collection or reach out to us at support@zohocrm.com. You can also drop your questions in the comments below. 

Cheers! 

-----------------------------------------------------------------------------------------------------------------------------------

Related Reading

-----------------------------------------------------------------------------------------------------------------------------------

    • Sticky Posts

    • Kaizen #197: Frequently Asked Questions on GraphQL APIs

      🎊 Nearing 200th Kaizen Post – We want to hear from you! Do you have any questions, suggestions, or topics you would like us to cover in future posts? Your insights and suggestions help us shape future content and make this series better for everyone.
    • Kaizen #198: Using Client Script for Custom Validation in Blueprint

      Nearing 200th Kaizen Post – 1 More to the Big Two-Oh-Oh! Do you have any questions, suggestions, or topics you would like us to cover in future posts? Your insights and suggestions help us shape future content and make this series better for everyone.
    • Celebrating 200 posts of Kaizen! Share your ideas for the milestone post

      Hello Developers, We launched the Kaizen series in 2019 to share helpful content to support your Zoho CRM development journey. Staying true to its spirit—Kaizen Series: Continuous Improvement for Developer Experience—we've shared everything from FAQs
    • Kaizen #193: Creating different fields in Zoho CRM through API

      🎊 Nearing 200th Kaizen Post – We want to hear from you! Do you have any questions, suggestions, or topics you would like us to cover in future posts? Your insights and suggestions help us shape future content and make this series better for everyone.
    • Client Script | Update - Introducing Commands in Client Script!

      Have you ever wished you could trigger Client Script from contexts other than just the supported pages and events? Have you ever wanted to leverage the advantage of Client Script at your finger tip? Discover the power of Client Script - Commands! Commands
    • Recent Topics

    • Multiple organizations under Zoho One

      Hello. I have a long and complicated question. I have a Zoho One account and want to set it up to serve the needs of 6 organizations under the same company. Some of the Zoho One users need to be able to work in more than 1 organization’s CRM and other
    • IMAP Server not responding.

      Trying to connect a phone via IMAP and getting "imap.zoho.com not responding." Is the server down, for maintenance or otherwise? I've tried this on two different devices and got the same error on both.
    • Error AS101 when adding new email alias

      Hi, I am trying to add apple@(mydomain).com The error AS101 is shown while I try to add the alias.
    • Unbundle feature for composite items

      We receive composite items from our vendors and sell them either individually or create other composite items out of them. So, there is a lot of bundling and unbundling involved with our composite items. Previously, this feature was supported in form
    • Regarding the integration of Apollo.io with Zoho crm.

      I have been seeing for the last 3 months that your Apollo.io beta version is available in Zoho Flow, and this application has not gone live yet. We requested this 2 months ago, but you guys said that 'we are working on it,' and when we search on Google
    • Open filtered deals from campaign

      Do you think a feature like this would be feasible? Say you are seeing campaign "XYZ" in CRM. The campaign has a related list of deals. If you want to see the related deals in a deal view, you should navigate to the Deals module, open the campaign filter,
    • How do you print a refund check to customer?

      Maybe this is a dumb question, but how does anyone print a refund check to a customer? We cant find anywhere to either just print a check and pick a customer, or where to do so from a credit note.
    • MTD SA in the UK

      Hello ID 20106048857 The Inland Revenue have confirmed that this tax account is registered as Cash Basis In Settings>Profile I have set ‘Report Basis’ as “Cash" However, I see on Zoho on Settings>Taxes>Income Tax that the ‘Tax Basis’ is marked ‘Accrual'
    • workflow not working in subform

      I have the following code in a subform which works perfectly when i use the form alone but when i use the form as a subform within another main form it does not work. I have read something about using row but i just cant seem to figure out what to change
    • Fetch data from another table into a form field

      I have spent the day trying to work this out so i thought i would use the forum for the first time. I have two forms in the same application and when a user selects a customer name from a drop down field and would like the customer number field in the
    • Zoho Creator as LMS and Membership Solution

      My client is interested in using Zoho One apps to deploy their membership academy offer. Zoho Creator was an option that came up in my research: Here are the components of the program/offer: 1. Membership portal - individual login credentials for each
    • Record comment filter

      Hi - I have a calendar app that we use to track tasks. I have the calendar view set up so that the logged in user only sees the record if they are assigned to the task. BUT there are instances when someone is @ mentioned in the record when they are not
    • How to View Part Inventory and Warehouse Location When Creating a Work Order in Zoho FSM

      Hi everyone, We’re currently setting up Zoho FSM and would like to improve how our team selects parts when creating a Work Order. Right now, when we add a part or item to a Work Order, we can select it from our Zoho Inventory list but we don’t see any
    • FSM too slow today !!

      Anybody else with problem today to loading FSM (WO, AP etc.)?
    • CRM x WorkDrive: File storage for new CRM signups is now powered by WorkDrive

      Availability Editions: All DCs: All Release plan: Released for new signups in all DCs. It will be enabled for existing users in a phased manner in the upcoming months. Help documentation: Documents in Zoho CRM Manage folders in Documents tab Manage files
    • Not able to Sign In in Zoho OneAuth in Windows 10

      I recently reset my Windows 10 system, after the reset when I downloaded the OAuth app and tried to Sign In It threw an error at me. Error: Token Fetch Error. Message: Object Reference not set to an instance of an object I have attached the screenshot
    • Mapping a custom preferred date field in the estimate with the native field in the workorder

      Hi Zoho, I created a field in the estimate : "Preferred Date 1", to give the ability to my support agent to add a preferred date while viewing the client's estimate. However, in the conversion mapping (Estimate to Workorder), I'm unable to map my custom
    • Runing RPA Agents on Headless Windows 11 Machines

      Has anyone tried this? Anything to be aware of regarding screen resolution?
    • The sending IP (136.143.188.15) is listed on spamrl.com as a source of spam.

      Hi, it just two day when i am using zoho mail for my business domain, today i was sending email and found that message "The sending IP (136.143.188.15) is listed on https://spamrl.com as a source of spam" I hope to know how this will affect the delivery
    • Delegates - Access to approved reports

      We realized that delegates do not have access to reports after they are approved. Many users ask questions of their delegates about past expense reports and the delegates can't see this information. Please allow delegates see all expense report activity,
    • Split functionality - Admins need ability to do this

      Admins should be able to split an expense at any point of the process prior to approval. The split is very helpful for our account coding, but to have to go back to a user and ask them to split an invoice that they simply want paid is a bit of an in
    • What is a a valid JavaScript Domain URI when creating a client-based application using the Zoho API console?

      No idea what this is. Can't see what it is explained anywhere.
    • Is there a way to request a password?

      We add customers info into the vaults and I wanted to see if we could do some sort of "file request" like how dropbox offers with files. It would be awesome if a customer could go to a link and input a "title, username, password, url" all securely and it then shows up in our team vault or something. Not sure if that is safe, but it's the best I can think of to be semi scalable and obviously better than sending emails. I am open to another idea, just thought this would be a great feature.  Thanks,
    • Single Task Report

      I'd like a report or a way to print to PDF the task detail page. I'd like at least the Task Information section but I'd also like to see the Activity Stream, Status Timeline and Comments. I'd like to export the record and save it as a PDF. I'd like the
    • Auto-response for closed tickets

      Hi, We sometimes have users that (presumably) search their email inbox for the last correspondence with us and just hit reply - even if it's a 6 month old ticket... - this then re-opens the 6 month old ticket because of the ticket number in the email's subject. Yes, it's easy to 'Split as new Ticket', but I'd like something automated to respond to the user saying "this ticket has already been resolved and closed, please submit a new ticket". What's the best way to achieve this? Thanks, Ed
    • How to Push Zoho Desk time logged to Zoho Projects?

      I am on the last leg of my journey of finally automating time tracking, payments, and invoicing for my minutes based contact center company - I just have one final step to solve - I need time logged in zoho desk to add time a project which is associated
    • Cannot access KB within Help Center

      Im working with my boss to customize our knowledge base, but for some reason I can see the KB tab, and see the KB categories, but I cannot access the articles within the KB. We have been troubleshooting for weeks, and we have all permissions set up, customers
    • Export to excel stored amounts as text instead of numbers or accounting

      Good Afternoon, We have a quarterly billing report that we generate from our Requests. It exports to excel. However if we need to add a formula (something as simple as a sum of the column), it doesn't read the dollar amounts because the export stores
    • why my account is private?

      when i post on zohodesk see only agent only
    • Getting ZOHO Invoice certified in Portugal?

      Hello, We are ZOHO partners in Portugal and here, all the invoice software has to be certified by the government and ZOHO Invoice still isn´t certified. Any plans? Btw, we can help on this process, since we have a client that knows how to get the software certified. Thank you.
    • Show/ hide specific field based on user

      Can someone please help me with a client script to achieve the following? I've already tried a couple of different scripts I've found on here (updating to match my details etc...) but none of them seem to work. No errors flagged in the codes, it just
    • 500 Internal Server Error

      I have been trying to create my first app in Creator, but have been getting the 500: Internal Server Error. When I used the Create New Application link, it gave me the error after naming the application. After logging out, and back in, the application that I created was in the list, but when I try to open it to start creating my app, it gives me the 500: Internal Server Error. Please help! Also, I tried making my named app public, but I even get the error when trying to do that.
    • Client Script | Update - Client Script Support For Portals

      Dear All! We are excited to announce the highly anticipated feature: Client Script support for Portals. We understand that many of you have been eagerly awaiting this enhancement, and we are pleased to inform you that this support is now live for all
    • Professional Plan not activated after payment

      I purchased the Professional Plan for 11 users (Subscription ID: RPEU2000980748325) on 12 September 2025, and the payment has been successfully processed. However, even after more than 24 hours, my CRM account still shows “Upgrade” and behaves like a
    • Zoho Books - France

      L’équipe de Zoho France reçoit régulièrement des questions sur la conformité de ses applications de finances (Zoho Books/ Zoho Invoice) pour le marché français. Voici quelques points pour clarifier la question : Zoho Books est un logiciel de comptabilité
    • how to edit the converted lead records?

      so I can fetch the converted leads records using API (COQL), using this endpoint https://www.zohoapis.com/crm/v5/coql and using COQL filter Converted__s=true for some reasons I need to change the value from a field in a converted lead record. When I try
    • Auto Update Event Field Value on Create/Edit

      Hi there, I know this question has been posted multiple times and I've been trying many of the proposed similar scripts for a while now but nothing seems to work... what might I do wrong? The error I receive is this: Value given for the variable 'meetingId'
    • Pre-orders at Zoho Commerce

      We plan to have regular producs that are avaliable for purchase now and we plan to have products that will be avaliable in 2-4 weeks. How we can take the pre-orders for these products? We need to take the money for the product now, but the delivery will
    • Constant color of a legend value

      It would be nice if we can set a constant color/pattern to a value when creating a chart. We would often use the same value in different graph options and I always have to copy the color that we've set to a certain value from a previous graph to make
    • Zoho Pagesense really this slow??? 5s delay...

      I put the pagesense on my website (hosted by webflow and fast) and it caused a 5s delay to load. do other people face similar delays?
    • Next Page