---
title: What do error codes 616 and 617 indicate in the extension?
description: Error codes 616 and 617 in the FreJun extension indicate connectivity issues with FreJun servers. Learn causes, troubleshooting steps, and how to fix them quickly.
---

[Skip to content](https://knowledge.frejun.com/what-does-error-code-616-and-617indicate-in-the-extension#main-content)

![FreJun-4](https://knowledge.frejun.com/hs-fs/hubfs/FreJun-4.png?width=265&height=114&name=FreJun-4.png)

Open main navigation

Close main navigation

- [Go to frejun.com](https://frejun.com/)

[Go to frejun.com](https://frejun.com/)

 Hello. How can we help you?

- There are no suggestions because the search field is empty.

1. [Customer Support](https://knowledge.frejun.com/?hsLang=en)
2. [Support FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en)
3. [Chrome Extension FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#chrome-extension-faqs)

# What do error codes 616 and 617 indicate in the extension?

## Learn what FreJun extension error codes 616 and 617 mean, why they occur, and how to quickly resolve connectivity issues with simple troubleshooting steps.

Error codes **616 and 617** in the FreJun browser extension usually occur when your system is unable to establish a secure connection with FreJun’s servers. These errors are most commonly linked to internet instability, restricted network settings, or firewall and VPN limitations.

Understanding what these error codes mean and how to resolve them can help restore calling functionality quickly and avoid disruptions in your [sales](https://frejun.com/sales/), support, or recruitment workflows using FreJun.

**What Do Error Codes 616 and 617 Indicate in the FreJun Extension?**

The 61x error codes indicate that your system is currently unable to connect to FreJun's servers, often due to internet or network issues.

#### Troubleshooting Steps:

- Check Your Internet Connection: Ensure your device is connected to the internet and that your connection is stable.
- Verify Network Settings: Confirm that your network settings are correctly configured and there are no restrictions preventing access to FreJun’s servers.

For more Queries, reach out to us at support@frejun.com or Live chat support through your FreJun Account

[Sign up](https://product.frejun.com/signup) with FreJun and get your trail 

- [Support FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#main-content)

    - [Dashboard FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#dashboard-faqs)
    - [Call Logs FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#call-logs-faqs)
    - [Contact List FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#contact-list-faqs)
    - [Campaigns FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#campaigns-faqs)
    - [Autodial FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#autodial-faqs)
    - [Surveys FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#surveys-faqs)
    - [Users and Teams FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#users-and-teams-faqs)
    - [User Management Access FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#user-management-access-faqs)
    - [Settings FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#settings-faqs)
    - [Chrome Extension FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#chrome-extension-faqs)
    - [Mobile App FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#mobile-app-faqs)
    - [Virtual Numbers FAQs](https://knowledge.frejun.com/support-faqs?hsLang=en#virtual-numbers-faqs)
- [General Queries FAQs](https://knowledge.frejun.com/general-queries-faqs?hsLang=en)
- [Sales FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#main-content)

    - [Trial FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#trial-faqs)
    - [Plans & Pricing FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#plans-pricing-faqs)
    - [Virtual number FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#virtual-number-faqs)
    - [UAE calling FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#uae-calling-faqs)
    - [AI Insights FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#ai-insights-faqs)
    - [SMS & MMS FAQs](https://knowledge.frejun.com/sales-faqs?hsLang=en#sms-mms-faqs)
- [Troubleshooting FAQs](https://knowledge.frejun.com/troubleshooting-faqs?hsLang=en)
- [Usage Policies](https://knowledge.frejun.com/usage-policies?hsLang=en)
- [Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#main-content)

    - [Hubspot Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#hubspot-integration-faqs)
    - [Pipedrive Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#pipedrive-integration-faqs)
    - [Salesforce Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#salesforce-integration-faqs)
    - [Deskera Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#deskera-integration-faqs)
    - [Dynamic 365 Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#dynamic-365-integration-faqs)
    - [Zoho Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#zoho-integration-faqs)
    - [LeadSquare Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#leadsquare-integration-faqs)
    - [Freshworks Integration FAQs](https://knowledge.frejun.com/integration-faqs?hsLang=en#freshworks-integration-faqs)
- [Virtual Numbers](https://knowledge.frejun.com/virtual-numbers?hsLang=en#main-content)

    - [Indian Virtual number](https://knowledge.frejun.com/virtual-numbers?hsLang=en#indian-virtual-number)
    - [Virtual Numbers :- Singapore/Australia/New Zealand](https://knowledge.frejun.com/virtual-numbers?hsLang=en#virtual-numbers-singapore-australia-new-zealand)
    - [UAE Virtual Number](https://knowledge.frejun.com/virtual-numbers?hsLang=en#uae-virtual-number)
    - [Virtual Number- Others](https://knowledge.frejun.com/virtual-numbers?hsLang=en#virtual-number-others)
    - [US Messaging and 10 DLC](https://knowledge.frejun.com/virtual-numbers?hsLang=en#us-messaging-and-10-dlc)
- [Finance and Billing FAQs](https://knowledge.frejun.com/finance-and-billing-faqs?hsLang=en)
- [APIs and SDKs FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#main-content)

    - [Authentication & API Access FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#authentication-api-access-faqs)
    - [Calling Features FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#calling-features-faqs)
    - [User Management – Detailed FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#user-management-detailed-faqs)
    - [Call Logs & Analytics FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#call-logs-analytics-faqs)
    - [Webhooks FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#webhooks-faqs)
    - [Managing Webhooks FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#managing-webhooks-faqs)
    - [Supported Webhook Events FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#supported-webhook-events-faqs)
    - [Additional Tools FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#additional-tools-faqs)
    - [FreJun Softphone Web SDK – FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#frejun-softphone-web-sdk-faqs)
    - [FreJun SDK – Edge Case FAQs](https://knowledge.frejun.com/apis-and-sdks-faqs?hsLang=en#frejun-sdk-edge-case-faqs)
- [Partners and Resellers FAQs](https://knowledge.frejun.com/partners-and-resellers-faqs?hsLang=en)
- [FreJun Plans and Pricing](https://knowledge.frejun.com/frejun-plans-and-pricing?hsLang=en#main-content)

    - [FreJun Non India Plans and Pricing](https://knowledge.frejun.com/frejun-plans-and-pricing?hsLang=en#frejun-non-india-plans-and-pricing)
    - [FreJun India Plans and Pricing](https://knowledge.frejun.com/frejun-plans-and-pricing?hsLang=en#frejun-india-plans-and-pricing)
    - [FreJun UAE Plans and Pricing](https://knowledge.frejun.com/frejun-plans-and-pricing?hsLang=en#frejun-uae-plans-and-pricing)
    - [FreJun Teler Pricing for India & UAE](https://knowledge.frejun.com/frejun-plans-and-pricing?hsLang=en#frejun-teler-pricing-for-india-uae)
    - [SIP Trunking Pricing](https://knowledge.frejun.com/frejun-plans-and-pricing?hsLang=en#sip-trunking-pricing)
- [WhatsApp Business Integration FAQs](https://knowledge.frejun.com/whatsapp-business-integration-faqs?hsLang=en)
- [IVR FAQs](https://knowledge.frejun.com/ivr-faqs?hsLang=en)
- [Teler FAQs](https://knowledge.frejun.com/teler-faqs?hsLang=en#main-content)

    - [General](https://knowledge.frejun.com/teler-faqs?hsLang=en#general)
    - [Getting Started & SDKs](https://knowledge.frejun.com/teler-faqs?hsLang=en#getting-started-sdks)
    - [Billing & Credits](https://knowledge.frejun.com/teler-faqs?hsLang=en#billing-credits)
    - [Pricing](https://knowledge.frejun.com/teler-faqs?hsLang=en#pricing)
    - [Coverage & Telephony](https://knowledge.frejun.com/teler-faqs?hsLang=en#coverage-telephony)
    - [Security & Compliance](https://knowledge.frejun.com/teler-faqs?hsLang=en#security-compliance)
    - [Roadmap / Upcoming Features](https://knowledge.frejun.com/teler-faqs?hsLang=en#roadmap-upcoming-features)
    - [Developer Support & SLAs](https://knowledge.frejun.com/teler-faqs?hsLang=en#developer-support-slas)
    - [Integration & Extensibility](https://knowledge.frejun.com/teler-faqs?hsLang=en#integration-extensibility)
    - [Migration & Compatibility](https://knowledge.frejun.com/teler-faqs?hsLang=en#migration-compatibility)
- [Gong Integration](https://knowledge.frejun.com/gong-integration?hsLang=en)

[![Chill listening crop-3](https://knowledge.frejun.com/hs-fs/hubfs/FreJun%20Logo.png?width=163&height=34&name=FreJun%20Logo.png "Chill listening crop-3")](http://frejun.com)

Copyright © 2026, FreJun