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One Talk T42U Phone - User Guide 

 

Network details & coverage maps at vzw.com. © 2021 Verizon

 

 

 

 

NO.  Item 

Description 

Phone screen 

Shows a screen with backlight that enables you to view menus and data. 

Power LED 
indicator 

Indicates call status, message status and system status of the phone. 

Line keys 

Accesses your phone lines and features. 

Headset key 

Toggles the headset on or off. The LED indicator glows green when the headset is 
activated. 

Mute key 

Toggles the microphone on or off. The LED indicator glows green when the mute 
feature is activated. 

Message key 

Accesses your voice messages. 

Hold key 

Places a call on hold or resumes a held call.  

Redial Key 

Redials a previously dialed number. 

Transfer key 

Transfers a call. 

Speakerphone key  Toggles the speakerphone (hands-free) mode on or off. The LED indicator glows 

green when the speakerphone is activated. 

Volume key 

Adjust the volume of the handset, headset and speaker. 

Keypad keys 

Allow you to enter numbers, letters and special characters. If a menu item has an 
index number, you can use the keypad keys to select the item. 

Navigation keys 

• 

Scroll through information or options displayed on the screen. 

• 

Access history and directory respectively. 

OK key 

Confirms actions or answers incoming calls. 

Cancel key 

Cancels actions or rejects incoming calls. 

10 

Soft keys 

Access the function displayed on the screen above the soft keys. The soft keys 
change depending on what you are doing at the time. 

11 

Speaker 

Provides ringer and speakerphone audio output. 

12 

Reversible tab 

Secures the handset in the handset cradle when the phone is mounted vertically. 
For more information on how to adjust the reversible tab, refer to 

Yealink Wall 

Mount Quick Installation Guide for Yealink IP Phones

. 

13 

Hook switch 

Connects or disconnects the phone from the phone line. The hook switch is 
automatically activated when a user lifts the handset from the cradle to get a  
dial tone. 

 

Power LED indicator 

The power LED indicator indicates the call, message and phone’s system status. 

 

LED Status 

Description 

Solid red 

The phone is initializing. 

Fast-flashing red (0.3s) 

The phone is ringing. 

Slowly-flashing red (1s) 

The phone receives a voice mail or text message. 

 

 

 

Summary of Contents for One Talk T42U

Page 1: ...One Talk T42U IP Phone User Guide verizon com support one talk verizon com support yealink T42U ...

Page 2: ...handset speakerphone and headset modes 12 Rejecting a call manually 12 Rejecting anonymous calls 12 Rejecting calls with Do Not Disturb DND 12 Ending calls 12 Holding and resuming calls 12 Holding a call 13 Resuming a held call 13 Redirecting incoming calls 13 Forwarding all incoming calls to a contact 13 Forwarding all incoming calls on all lines 13 Deactivating call forward 14 Transferring calls...

Page 3: ...acts 25 Viewing remote phone book contacts 26 Call history 26 Call history icons 26 Viewing history records 26 Saving a history record to local directory 26 Saving a history record to blacklist 26 Deleting history records 27 Deleting a call record 27 Deleting all call records 27 Customizing your phone 27 Changing the administrator password 27 Changing the backlight and time 28 Adjusting the screen...

Page 4: ... mode 34 Connecting to the wireless network 34 Connecting to an available wireless network manually 35 Adding a wireless network manually 35 Viewing the wireless network information 35 Managing the saved wireless network 35 Deactivating the Wi Fi mode 36 Maintaining your phone 36 Rebooting your phone 36 Resetting to factory settings 36 Notices 37 Technical support 37 Important customer information...

Page 5: ... on your phone Additionally the examples and graphics in this guide may not directly reflect what is displayed or is available on your phone screen Getting started Before you use your phone take some time to get familiar with its features and user interface Hardware overview Understanding the phone hardware helps you easily use the phone s features Before you use your phone take some time to get f...

Page 6: ...acters If a menu item has an index number you can use the keypad keys to select the item 9 Navigation keys Scroll through information or options displayed on the screen Access history and directory respectively OK key Confirms actions or answers incoming calls Cancel key Cancels actions or rejects incoming calls 10 Soft keys Access the function displayed on the screen above the soft keys The soft ...

Page 7: ...shing red The monitored user whose line key is not on the current page receives an incoming call Off The line keys are idle Screen and icons The user screens and icon indicators can help you navigate and understand the important information on the phone s status Idle screen The idle screen is made up of the status bar line keys and soft keys The time date in the status bar or middle of the screen ...

Page 8: ...ly get the current phone status such as call and message status Icons in the status bar vary by phone models Icons Description Icons Description Wired network is unavailable Ringer volume is 0 Speakerphone hands free mode Phone Lock Handset mode Missed calls Headset mode Call forward Voice Mail Recording starts successfully Using a USB flash drive Auto Answer Recording is paused Using a USB flash ...

Page 9: ...characters Insert space Select ABC abc 2aB or Abc mode press the 0 key Move cursor Press or to position the cursor Delete one or more characters Position the cursor to the right of the character and select the Delete soft key Call features You can use the phone to place and answer calls ignore incoming calls transfer a call to someone else conduct a conference call and perform other basic call fea...

Page 10: ...nds for 500 milliseconds For example 1234 123 means the phone dials out the number 1234 first then after the call is set up for 1 second it sends the DTMF sequence 123 to the remote party Select Save Tip By default you can long press the desired line key to set it When the phone is idle you can press the Speed Dial key to call a contact quickly The phone calls a contact using the configured line b...

Page 11: ...r and select Send Answering calls When you receive a call you can choose to answer it manually or automatically Answering a call When you receive an incoming call the phone rings and the screen displays the information of the incoming call You can choose to answer the incoming call Procedure Do one of the following Pick up the handset Press the Speakerphone key Press the HEADSET key Press Answer o...

Page 12: ...jecting anonymous calls You can reject incoming calls from the callers who have hidden their identities As a result your phone will not ring and you will not be notified of an attempted call Procedure 1 Navigate to Features Anonymous Call Rejection 2 Turn on or off Anonymous Call Rejection 3 PressOK Rejecting calls with Do Not Disturb DND You can enable DND to reject all incoming calls automatical...

Page 13: ...Press the Resume key If multiple calls are placed on hold select the desired call first Redirecting incoming calls When you are not available to answer calls on your phone you can forward the calls to another phone Forwarding all incoming calls to a contact You can set up the forwarding type which enables your phone to forward all incoming calls to a contact There are three types of forwarding Alw...

Page 14: ...m the placed call list you want to transfer to If you have set a Speed Dial key you can also press the Speed Dial key to transfer the call to the contact directly Press Directory Select the desired contact from the Directory list 2 Press the TRANSFER key to complete the transfer Tip If you are using a handset the transfer can be completed by hanging up the handset Performing a consultative transfe...

Page 15: ...nd party s number 3 When the second party answers the call select Conference Conf to add the second party to the conference 4 Repeat the above steps to add more parties to theconference Merging two calls into a conference You can invite a held call into a conference call with the active call Procedure 1 Place two calls on the phone 2 Select the desired call for a conference and ensure that the cal...

Page 16: ...fully Select End Call EndCall The recording icon and recording duration disappears and the phone returns to the idle screen The screen prompts a message that the call is recorded successfully Managing the recordings After stopping recording you can manage the recordings on your phone Make sure the USB flash drive is still inserted in the phone Listening to a recording You can browse and play back ...

Page 17: ...corded call You can delete the recordings when you need additional space on your USB flash drive or the recordings are use less Procedure 1 Navigate to Menu USB Browse Audio 2 Highlight the desired recording and select Delete The phone prompts you to delete the audio or not 3 Select OK Viewing the available recording time You can view the available recording time on your phone to avoid recording f...

Page 18: ...an park a call and then retrieve the call either from your phone or another phone After parked the call is placed on hold you can continue the conversation after retrieving it Parking or retrieving a call with a park or retrieve key You can easily use a park key to park a call to a specific extension and quickly retrieve this parked call using a retrieve key State indicator of the park retrieve ke...

Page 19: ...ll Intercom accept Intercom Allow feature allows the phone to automatically answer an incoming intercom call If you disable this feature the phone will handle an incoming intercom call like a normal incoming call Intercom mute Intercom Mute feature allows the phone to mute the microphone when incoming intercom calls are answered automatically Procedure 1 Menu Features Intercom 2 Make the desired c...

Page 20: ...can send text messages Procedure 1 Navigate to Menu Message SMS Message NewMessage 2 Compose the new text message 3 PressSend 4 Select the desired account from the Fromfield 5 Do one of the following Enter the number you want to send the message to in the To field Select a number from Directory 6 Send the message Replying to a text message You can reply to a message after reading a text message Pr...

Page 21: ... Delete 6 Select OK You can also delete all text messages by selecting the Delete All Voice mail Voice Mail feature allows you to leave voice mails for someone or listen to your voice mail messages on your IP phones Setting the voice mail code If you want to connect your phone to the message center you need to set the voice mail code on your phone Before you begin Get the voice mail code from your...

Page 22: ... by your system administrator Local directory You can store up to 1000 contacts and 48 groups in your local directory you can search add edit and delete a contact Managing the local directory groups You can manage the Local Directory groups when the phone is idle Adding contact groups To organize your contacts and make them easier to find you can add additional groups in the Local Directory Proced...

Page 23: ... contact You are required to enter a contact name at least for each new contact Procedure 1 SelectDirectory ornavigatetoMenu Directory LocalDirectory 2 Select the desired contact group or All Contacts 3 Select Add 4 Enter your contact s information 5 Select the desired account from the Account field Viewing contacts You can view the local contacts from the Local Directory on your phone Procedure 1...

Page 24: ... blacklist Incoming calls from this contact will be rejected automatically Procedure 1 SelectDirectory Dir ornavigatetoMenu Directory LocalDirectory 2 Select the desired contact group or All Contacts 3 Highlight the desired contact and select Option Add to Blacklist The phone prompts you to move to the blacklist or not 4 Select OK Searching for contacts In the Local Directory you can enter search ...

Page 25: ...Directory Blacklist 2 Select the desired blacklistcontact 3 Select Option Delete The phone prompts you to delete the contact or not 4 Select OK Deleting all blacklist contacts You can delete all contacts from the Blacklist when you are ready to answer calls from them again Procedure 1 Navigate to Menu Directory Blacklist 2 Select Option DeleteAll The phone prompts you to delete all contacts or not...

Page 26: ...ls and Forwarded Calls and each list holds 100 entries Call history icons Each icon in the Call History indicates the corresponding call history status Icons Description Icons Description Received call Missed call Placed call Forwarded call Viewing history records The history record saves the call information such as the caller s name and number local line and call duration Procedure 1 Press Histo...

Page 27: ...entry and select Delete Deleting all call records You can delete all call records from the call history list Procedure 1 Press History or navigate to Menu History 2 Select the desired list 3 Select Option DeleteAll The phone prompts you to delete all the records or not 4 Select OK Customizing your phone You can make your phone more personalized by customizing various settings Changing the administ...

Page 28: ...off permanently 15s 30s 1min 2min 5min 10min or 30min Backlight is changed when the phone is inactive after the designated time Procedure 1 Navigate to Menu Settings Basic Settings Display Backlight 2 Select the desired level from the Active Level field 3 Select the desired time from the Backlight Timefield 4 Select Save Adjusting the screen backlight You can adjust the screen contrast of the phon...

Page 29: ... a specified time to automatically lock the phone What unauthorized users can do depends on the settings of the phone lock type The phone supports the following phone lock types Menu key it prevents unauthorized users from accessing the menu changing the personal settings for your phone Function key it only allows users to use the keypad for placing a call answering or rejecting an incoming call a...

Page 30: ... the Unlock PINfield 3 Select OK The lock icon disappears from the phone screen Changing your phone unlock PIN The default unlock PIN is 123 For security reasons you should change the default unlock PIN as soon as possible Procedure 1 Navigate to Menu Settings Basic Settings Change PIN 2 Enter your old and new unlock PIN respectively The unlock PIN length must be within 15 digits 3 Select Save Aud...

Page 31: ...ory This helps you quickly identify callers according to the ring tones Procedure 1 SelectDirectory ornavigatetoMenu Directory LocalDirectory 2 Select the desired contact group or All Contacts 3 Highlight the desired contact and select Option Detail 4 Select the desired ring tone from the Ringfield If Auto is selected the contact uses the ring tone according to the default priority 5 Select Save D...

Page 32: ...compatible with Yealink IP Phone for your IP phones on Yealink Support USB headsets that are not listed may not function properly if you connect them to your phone For more information on how to use your USB headset refer to the related documentation from the manufacturer Using headsets After connecting a headset to your phone you can activate the headset mode and use the headset when answering an...

Page 33: ...e to Menu Settings Basic Settings Bluetooth 2 Select Scan to search the Bluetoothdevices 3 Find your Bluetooth headset and selectConnect Viewing the Bluetooth device information You can view the Bluetooth device information when the Bluetooth mode is activated Before you begin Make sure that the Bluetooth mode is activated and the Bluetooth device has been paired on your phone Procedure 1 Navigate...

Page 34: ...t Deactivating the Bluetooth mode After you deactivate the Bluetooth mode the Bluetooth device will disconnect from your phone but it remains paired and you can reconnect it to your phone Procedure 1 Navigate to Menu Settings Basic Settings Bluetooth 2 Select Off from the Bluetooth field 3 Select Save Wireless network You can connect the phones to a wireless network if Wi Fi is available within th...

Page 35: ...e 1 Navigate Menu Settings Basic Settings Wi Fi 2 HighlightKnownNetwork s andselectAdd 3 Do the following Select None from the Security Modefield If you select WEP or WPA WPA2 PSK from the Security Mode field enter the desired password If you select 802 1x EAP from the Security Mode field select the desired EAP method and enter the desired values in the corresponding fields 5 Select Save The conne...

Page 36: ...to the wired network Procedure 1 Navigate to Menu Settings Basic Settings Wi Fi 2 Select Off from the Wi Fifield 3 Select Save Maintaining your phone When your phone is unable to operate properly you need to investigate or troubleshoot issues along with other tasks your system administrator may ask you to perform Rebooting your phone The improper operation may cause malfunction If the malfunction ...

Page 37: ...ntilated areas away from radiators or other heat sources Do not block cooling vents The plug socket combination must be accessible at all times because it serves as the main power disconnecting device Use only the manufacturer provided AC adaptor approved for use with this product Use of another AC adaptor may cause a fire or explosion This product relies on short circuit overcurrent protection in...

Page 38: ...e acts or omissions of emergency response center personnel Declaration of conformity Hereby Yealink Network Technology CO LTD declares that this phone is in conformity with the essential requirements and other relevant provisions of Federal Communications Commission FCC You can find the FCC information from the label on the back of the IP phone Part 15 FCC rules Any changes or modifications not ex...

Page 39: ...duct should be operated using the type of power indicated on the marking label If you are not sure of the type of power available consult your dealer or local power company 6 Do not allow anything to rest on the power cord Do not locate this product where people will walk on the cord 7 Never push objects of any kind into this product through cabinet slots as they may touch dangerous voltage points...

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