Yealink phones purchased from Vonage Business are delivered and are ready for use. A Factory Reset is only required if the phone was used with a prior service provider.
This information applies to Vonage Preferred Phones.
Add a Phone to an Extension
Contact Customer Care at 1300 10 81 84 for assistance to add a Yealink device to an extension.
Factory Reset the Phone
You can factory reset the Yealink T, VP and CP series using either your phone or a web browser.
From the Phone
- Press and hold the OK button for 10 seconds.
- Press OK again to confirm the reset.
- Press the down arrow key and then enter your Password.
| Password | admin or <Vonage Business account number> or vonage |
- Select OK.
Your phone reboots several times before the factory reset completes. Once completed you are ready to make and receive calls.
From Web Browser
- Press the OK button on the handset 3 times and then jot down the phone's IP address.
- Open a web browser on a computer connected to the same network as your phone and then enter the phone's IP address in the Address bar.
- Sign in with the following credentials:
| Username | admin |
| Password | admin or <Vonage Business account number> or vonage |
NOTE: Once setup is complete, your password is your Vonage account number. - Click Settings (at top) and then click Upgrade (on left).
- Click Reset to Factory Setting.
- Click OK in the pop-up window to complete the factory reset.
Your phone reboots several times before the factory reset completes. Once completed you are ready to make and receive calls
Upgrade Firmware Instructions
Yealink phones must be on firmware version 70 or higher.
NOTE: Before upgrading the firmware, refer to Preferred Phones to identify the most current firmware version. Use the most current firmware to guarantee all features function properly.
| Acquire Firmware Version |
- Press the OK button on the front of the phone.
- Scroll down to line 3 - Firmware. The firmware version is identified by the second set of numbers, for example, 52.80.250.1
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| Upgrade Firmware |
- Go to Yealink Support.
- Select your Phone Model.
- Select and download the appropriate Firmware for your phone.
- Extract the firmware file from the ZIP archive.
- Acquire the phone's IP Address by pressing the OK button on the phone and jot down the result.
- Open a web browser on a computer connected to the same network as your phone and then enter the phone's IP address in the Address bar.
- Sign in with the following credentials:
| Username | admin | | Password | admin or <Vonage Business account number> or vonage |
NOTE: If you cannot sign into the web interface, see Troubleshoot Issues. Once setup is complete, your password is your Vonage account number. - Click Settings from the top menu, then select Upgrade from the left navigation pane.
- Go to Select and Upgrade Firmware and click Choose File.
- Select the firmware file and press Upgrade.
NOTE: The phone may take several minutes before the upgrade is complete. |
Update Time Zone
The timezone in your online account determines the time your phone displays, which an Administrator can set in PBX Settings. To manually change the time on your phone, use the following steps:
- Press the Menu softkey and then press Basic Settings.
- Press the Time & Date softkey and then SNTP Settings.
- Use the left/right arrows in Time Zone to highlight your selection and then press the Down Arrow button.
- Enter the following information and then press the Down Arrow after each entry.
| NTP Server 1 | 0.pool.ntp.org |
| NTP Server 2 | 1.pool.ntp.org |
- Use the left/right arrows to enable or disable Daylight Savings and then press the Down Arrow.
NOTE: If Daylight Savings is set to Automatic, use the left/right arrows to select the Time Zone Name and then press the Down Arrow.
- Press the Save softkey to save your changes, or the Back softkey to cancel.
Troubleshoot Issues
| One-Way or No-Way Audio |
Disable SPI Firewall and SIP ALG.
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| PCAP Function |
Use the PCAP function to check SIP packets that are sent and received by the phone.
- Press the OK button to display the phone's IP address and then jot down the result.
- Open a web browser on a computer connected to the same network as your phone and then enter the phone's IP address in the Address bar.
- Sign in with the following credentials:
| Username | admin | | Password | admin or <Vonage Business account number> or vonage |
NOTE: Once setup is complete, your password is your Vonage account number
- Click the Settings tab.
- Click the Configuration tab on the left.
- Start a packet capture (PCAP) with the Start button and end it with the Stop button.
- Select Export to save the captured packet log to your computer.
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| Phone Not Powering On |
- Verify power adapter is plugged into the base unit.
- Use compatible components for Power over Ethernet connections.
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| Phone Displays No Service |
Ensure you followed all steps in Add a Phone to an Extension.
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| The Line Key Phone Icons are Gray |
- Verify the phone is set up and connected to the internet.
- Ensure you followed all steps in Add a Phone to an Extension.
- Disable SPI Firewall and SIP ALG.
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| Unable to Make Outbound Calls |
- Verify the phone is set up and connected to the internet.
- Disable SPI Firewall and SIP ALG.
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| Calls Drop After a Few Seconds or Minutes |
Disable SPI Firewall and SIP ALG.
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| Stuck "Initializing Please Wait" |
- Verify DHCP is enabled in your modem and/or router.
- Verify the phone is set up and connected to the internet.
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| No Dial Tone after Phone Registered (lights green) | Place a call using the phone's speakerphone. If the call has audio on speakerphone, the handset may be plugged into the headset port or the handset may be defective. |
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Need the password to reset or log in to phone
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- Hold down one of the Line keys for 2 seconds.
- Use the down arrow key to find Server (row 5). The password is the series of numbers in the server field.
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Reference Guides and Additional Information
