How to Install and Sign In to the TSN Phone App

Category: TSN Phone
Applies to: Windows 10/11, macOS, iPhone, iPad, Android, and Web Browsers
Difficulty: Beginner
Estimated Time: 5–10 minutes

Overview

TSN Phone is a business phone solution provided by True Synergy Networks. It allows you to make and receive business calls, access voicemail, view call history, and communicate with coworkers using your assigned business extension.

Depending on your organization’s configuration, you can use TSN Phone through a desktop application, mobile application, web browser, or compatible desk phone.

This guide explains how to install the TSN Phone application, sign in to your account, configure basic device permissions, and verify that your phone service is working.

Before You Begin:

  • Make sure you have an active TSN Phone extension assigned to you.
  • Locate your TSN Phone welcome email or account information provided by True Synergy Networks.
  • Have your login email address and password available.
  • Confirm that your device is connected to the internet.
  • Have a working microphone and speakers or headset.
  • If your organization uses Microsoft 365 Single Sign-On (SSO), make sure you can access your Microsoft work account.

Important: Your TSN Phone password is not necessarily the same as your computer, Microsoft 365, or Google Workspace password.

Note: Your organization may provide a branded TSN Phone application or a compatible Communicator application. Always use the installation instructions and download links provided by True Synergy Networks.

Windows — Install the TSN Phone Desktop Application

Step 1: Locate Your Installation Instructions

  1. Open your TSN Phone welcome email or the installation instructions provided by True Synergy Networks.
  2. Locate the approved Windows application download link.
  3. Click the download link.
  4. Wait for the installer to finish downloading.

Important: Only download the TSN Phone application from a source approved by True Synergy Networks. Do not download unofficial installers from third-party websites.

Step 2: Install the Application

  1. Open your Downloads folder.
  2. Locate the downloaded TSN Phone or Communicator installer.
  3. Double-click the installer.
  4. Follow the installation instructions.
  5. Accept the required installation prompts.
  6. Wait for the installation to finish.

Note: Your computer may require administrator permissions to install software. If you do not have the necessary permissions, contact True Synergy Networks.

Do not attempt to bypass your organization’s device management or application installation restrictions.

Step 3: Open TSN Phone

  1. Click the Start button.
  2. Search for your organization’s TSN Phone or Communicator application.
  3. Open the application.
  4. Wait for the sign-in screen to appear.

Step 4: Sign In

  1. Enter the email address associated with your TSN Phone extension.
  2. Enter your assigned application password.
  3. If the application requests a server address, enter the hostname supplied by True Synergy Networks.
  4. Click Login or Sign in.

If your organization has enabled Microsoft 365 Single Sign-On:

  1. Select the Microsoft sign-in option, if available.
  2. Enter your Microsoft 365 work email address.
  3. Complete the required Microsoft authentication process.
  4. Return to TSN Phone after authentication is complete.

Note: Single Sign-On is only available when enabled for your organization and extension.

Important: Do not enter your SIP registration password or voicemail PIN into the application password field unless specifically instructed by True Synergy Networks.

Step 5: Configure Your Calling Device

When you sign in for the first time, TSN Phone may offer calling device options.

Softphone

Allows you to make and receive business calls directly through your computer using a microphone, speakers, or headset.

Desk Phone

Allows you to control a compatible physical desk phone from the application, if your extension and device support this feature.

  1. Select the calling mode provided for your account.
  2. If you intend to use your computer for calls, choose the available softphone option.
  3. Follow the remaining setup instructions.
  4. Allow access to your microphone when prompted.

Note: Available calling modes depend on your organization’s TSN Phone configuration.

Mac — Install the TSN Phone Desktop Application

Step 1: Download the Application

  1. Open Safari, Google Chrome, or another supported browser.
  2. Locate the approved macOS download link provided by True Synergy Networks.
  3. Download the installation file.
  4. Wait for the download to finish.

Step 2: Install TSN Phone

  1. Open your Downloads folder.
  2. Locate the downloaded macOS installation file.
  3. Open the installer.
  4. Follow the installation instructions.
  5. Move the application into Applications if instructed.
  6. Complete the installation.

Important: If macOS displays a security warning or your organization restricts application installation, contact True Synergy Networks before proceeding.

Step 3: Sign In

  1. Open the TSN Phone or Communicator application from Applications.
  2. Enter your assigned email address.
  3. Enter your application password.
  4. Enter the server information supplied by TSN if requested.
  5. Click Login.

If Microsoft 365 Single Sign-On is enabled, use the Microsoft sign-in option when available.

Step 4: Allow Microphone Access

  1. Open System Settings on your Mac.
  2. Select Privacy & Security.
  3. Click Microphone.
  4. Locate the TSN Phone or Communicator application.
  5. Enable microphone access if needed.

Note: Without microphone permission, you may be able to hear callers while they cannot hear you.

If you intend to use video calling, additional camera permission may also be required.

iPhone or iPad — Install TSN Phone

Step 1: Locate the Mobile Application

  1. Open the App Store.
  2. Use the application name or installation link supplied by True Synergy Networks.
  3. Confirm that you have selected the approved application.
  4. Tap Get.
  5. Wait for the installation to finish.
  6. Tap Open.

Note: The application may appear under a Communicator product name or your organization’s branded name, depending on the version and service provided.

Important: Always use the version recommended by True Synergy Networks to avoid compatibility issues.

Step 2: Sign In to Your Account

  1. Open the installed application.
  2. Locate the login screen.
  3. Enter the email address associated with your TSN Phone extension.
  4. Enter your application password.
  5. Enter the server address supplied by TSN if requested.
  6. Tap Login or Sign in.

If your welcome instructions include an application login QR code, you may be able to select Scan QR Code and scan the provided code instead.

Important: Only scan login QR codes obtained through your own TSN Phone account or directly from True Synergy Networks. Treat these codes as sensitive sign-in information.

Step 3: Allow Notifications

When prompted by your iPhone or iPad:

  1. Select Allow for notifications.
  2. Allow access to your microphone.
  3. Allow any additional permissions required for your approved calling setup.

If you previously denied notifications:

  1. Open Settings.
  2. Select Notifications.
  3. Locate the TSN Phone or Communicator application.
  4. Enable Allow Notifications.
  5. Enable sounds and other desired notification options.

Important: Notifications help alert you to incoming business calls. Disabling them may interfere with how incoming calls are presented.

Step 4: Verify Your Extension

  1. Open the application.
  2. Confirm that your account is signed in.
  3. Locate your name or extension number, if displayed.
  4. Check that the application is connected and ready for calls.
  5. Place a test call to an authorized number or coworker.

Note: The exact appearance of the application depends on the version provided by True Synergy Networks.

Android — Install TSN Phone

Step 1: Download the Application

  1. Open the Google Play Store.
  2. Search using the approved application name provided by True Synergy Networks, or open the installation link from your welcome instructions.
  3. Confirm that you have selected the correct application.
  4. Tap Install.
  5. Wait for the installation to complete.
  6. Tap Open.

Step 2: Sign In

  1. Open the TSN Phone or Communicator application.
  2. Enter your assigned email address.
  3. Enter your application password.
  4. Enter the server hostname if requested.
  5. Tap Login.

If supported and provided by TSN, you may alternatively use a login QR code.

Note: If the application cannot automatically locate your TSN Phone server, contact True Synergy Networks for the correct server information.

Step 3: Allow Required Permissions

Depending on your Android device, you may receive permission requests for:

  • Microphone access.
  • Notifications.
  • Nearby devices or Bluetooth connectivity.
  • Contacts access, if your organization permits contact integration.
  1. Review the permission requests.
  2. Allow the permissions required for your authorized calling setup.
  3. Complete any additional instructions displayed by the application.

Important: Microphone access is necessary for two-way calling through the mobile application.

Step 4: Check Notifications

  1. Open your Android device’s Settings.
  2. Select Apps.
  3. Locate the TSN Phone or Communicator application.
  4. Tap Notifications.
  5. Confirm that notifications are enabled.

Note: Some Android devices have additional battery optimization or background activity settings that can affect incoming call notifications. Contact True Synergy Networks if incoming calls do not appear reliably.

Do not disable organization-managed battery or security policies without authorization.

Step 5: Verify Your Account

  1. Open the application.
  2. Confirm that your account is connected.
  3. Review your displayed extension information.
  4. Place a test call.
  5. Confirm that you can hear the other person and that they can hear you.

Web Browser — Access TSN Phone Online

TSN Phone may also be accessible through a supported web browser, depending on your account’s configuration.

Step 1: Open the TSN Phone Portal

  1. Open Google Chrome, Microsoft Edge, Safari, or another supported browser.
  2. Visit:
https://app.tsnphone.com
  1. Wait for the sign-in page to load.

Step 2: Sign In

  1. Enter your assigned TSN Phone login information.
  2. Complete the sign-in process.
  3. If Microsoft Single Sign-On is available for your account, select that option when appropriate.
  4. Wait for your TSN Phone interface to open.

Note: Available browser-based features depend on your extension, licensing, and the version of the web application.

Step 3: Allow Microphone Access

If you intend to make and receive calls through your browser:

  1. Look for a browser prompt requesting microphone access.
  2. Confirm that the request is coming from the correct TSN Phone website.
  3. Click Allow.
  4. Select your microphone or headset when the application offers device settings.

Important: Do not block microphone access if you need to speak through the browser application.

Step 4: Verify Your Calling Status

  1. Confirm that your account is signed in.
  2. Review your calling mode or connection status.
  3. Check your microphone and speakers.
  4. Place a test call when ready.

Note: Browser-based calling may behave differently from the installed desktop application. If your organization recommends one method over the other, follow its instructions.

How to Find Your TSN Phone Login Information

When your extension is created, True Synergy Networks may provide a welcome email containing your account information.

Depending on your configuration, this information may include:

  • Your assigned extension number.
  • Your TSN Phone login email address.
  • A temporary application password.
  • A temporary voicemail PIN.
  • Instructions for accessing TSN Phone.
  • Approved application download information.

Important: Your extension number, application password, and voicemail PIN serve different purposes.

If you cannot locate your welcome email or login information, contact True Synergy Networks.

How to Change Your Temporary Password

When signing in for the first time, you may be asked to change your temporary application password.

Step 1: Sign In With Your Temporary Password

  1. Open the approved TSN Phone application.
  2. Enter your assigned login email.
  3. Enter the temporary password provided by True Synergy Networks.
  4. Continue to the password change prompt.

Step 2: Create Your New Password

  1. Enter a new, unique password.
  2. Re-enter it to confirm.
  3. Follow any password requirements displayed.
  4. Save the change.
  5. Complete the sign-in process.

Important: Do not reuse your voicemail PIN as your application password.

Note: If your account uses Microsoft 365 Single Sign-On, password management may be handled through your organization’s Microsoft identity system instead.

How to Verify TSN Phone Is Working

After signing in, perform a basic calling test.

Step 1: Place a Test Call

  1. Open the TSN Phone application.
  2. Locate the keypad or dialer.
  3. Enter a permitted telephone number or coworker’s extension.
  4. Start the call.
  5. Confirm that the call connects.

Step 2: Test Audio

  1. Speak into your microphone.
  2. Ask the other person whether they can hear you.
  3. Confirm that you can hear them.
  4. End the call.

Step 3: Test an Incoming Call

  1. Ask a coworker to call your assigned extension.
  2. Verify that the incoming call appears on your device.
  3. Answer the call.
  4. Confirm that two-way audio works.

Note: Depending on your organization’s configuration, incoming calls may ring on multiple authorized devices associated with your extension.

Troubleshooting

I Cannot Sign In to TSN Phone

If your login is unsuccessful:

  1. Confirm that you are using the correct account email address.
  2. Re-enter your application password.
  3. Check your internet connection.
  4. Confirm that you are using the approved TSN Phone application.
  5. Review whether a server address is required.

If the issue continues, contact True Synergy Networks.

Important: Avoid repeatedly guessing your password. Account recovery and password resets should be handled through TSN support.

The Application Cannot Connect to the Server

If the application displays a connection or server error:

  1. Verify that your device has an internet connection.
  2. Confirm that the application is updated to the version approved by TSN.
  3. Check whether you entered the correct server hostname.
  4. Close and reopen the application.
  5. Try signing in again.

If the issue continues, contact True Synergy Networks.

Important: Do not change advanced server, SIP, or network settings without guidance from TSN.

I Can Hear the Caller, but They Cannot Hear Me

If the other person cannot hear you:

  1. Check that your microphone is not muted.
  2. Confirm that the application has microphone permission.
  3. Verify that the correct microphone is selected.
  4. Disconnect and reconnect your headset if necessary.
  5. Place another test call.

If the problem continues, contact True Synergy Networks.

I Cannot Hear Incoming Audio

If you cannot hear the other person:

  1. Confirm that your device volume is turned up.
  2. Check that the correct speaker or headset is selected.
  3. Verify that your Bluetooth headset is connected properly.
  4. Check whether the call audio is routed to another device.
  5. Try another test call.

If audio still does not work, contact True Synergy Networks.

Incoming Calls Are Not Appearing on My Phone

If you are not receiving call notifications:

  1. Confirm that you are signed into TSN Phone.
  2. Check your internet connection.
  3. Enable notifications for the application.
  4. Review Do Not Disturb or Focus settings.
  5. Confirm that the application has not been restricted from running in the background.
  6. Ask a coworker to place another test call.

If calls still do not appear, contact True Synergy Networks.

Note: Mobile operating systems may restrict background application activity. The required troubleshooting steps vary by device.

I Cannot Install the Application

If installation fails:

  1. Confirm that you downloaded the correct version for your device.
  2. Check that your operating system is compatible.
  3. Verify that sufficient storage is available.
  4. Review any administrator permission messages.
  5. Contact True Synergy Networks if installation is restricted.

Important: Do not disable antivirus software, device management, or security restrictions to install the application.

My Extension Number Is Incorrect

If the application displays an unexpected extension:

  1. Confirm that you signed into the correct account.
  2. Review your welcome email.
  3. Compare your assigned extension number.
  4. Contact True Synergy Networks if the information does not match.

Important: Extension assignments and phone system configuration are managed by True Synergy Networks.

Microsoft 365 Single Sign-On Is Not Working

If you cannot sign in using Microsoft 365:

  1. Confirm that your organization has enabled SSO for TSN Phone.
  2. Verify that you are using the Microsoft account associated with your extension.
  3. Complete any required Microsoft Authenticator requests.
  4. Confirm that your Microsoft 365 account can sign into other authorized services.
  5. Contact True Synergy Networks if TSN Phone still rejects the login.

Note: Not every TSN Phone customer or extension has Microsoft Single Sign-On enabled.

Additional Information

  • TSN Phone provides business calling through authorized desktop, mobile, web, and desk phone options.
  • Windows and Mac applications may be available depending on your organization’s setup.
  • Compatible mobile applications are available for supported iPhone and Android devices.
  • TSN Phone account credentials are assigned to individual users and extensions.
  • Microsoft 365 Single Sign-On may be available when enabled by your organization.
  • Microphone permissions are required for two-way calling through an application.
  • Mobile notifications are important for receiving incoming calls.
  • Available features and calling modes depend on your organization’s configuration and assigned license.
  • True Synergy Networks manages extensions, phone system settings, account recovery, and advanced troubleshooting.