Yealink Yealink SIP-T42G User manual

1
Item
Description
①
LCD Screen
Shows information about calls, messages, soft keys,
time, date and other relevant data:
• Call information—caller ID, call duration
• Icons (for example, )
• Missed call text or second incoming caller information
• Prompt text (for example, "Saving file!")
• Date and time
②
Power Indicator LED
Indicates phone power and some feature status.
③
Line Keys
Use these keys to activate up to three accounts and
assign various features.
④
Mute Key
Toggles and indicates the mute feature.
Headset Key
Toggles and indicates the headset mode.
Message Key
Accesses voice mails.
Redial Key
Redials a previously dialed number.
⑤
Speakerphone Key
Toggles the hands-free speakerphone mode.
⑥
Volume Key
Adjusts the volume of the handset, headset, speaker,
and ringer.
⑦
Keypad
Provides the digits, letters, and special characters
available in context-sensitive applications.
⑧
Scroll through the displayed information.
Confirms actions or answers incoming calls.
Cancels actions or rejects incoming calls.
⑨
Soft Keys
Label automatically to identity their context-sensitive
features.

Overview
3
Icons appearing on the LCD screen are described in the following table:
Icon
Description
Network is unavailable
Registered successfully
Registration failed
Registering
Hands-free speakerphone mode
Handset mode
Headset mode
Voice Mail
Auto Answer
Do Not Disturb
Call Hold
Call Mute
Ringer volume is 0
Keypad Lock
Call Forward/Forwarded Calls
Missed Calls
Received Calls
Placed Calls
Recording box is full

User Guide for the SIP-T42G IP Phone
4
Icon
Description
A call cannot be recorded
Recording starts successfully
Recording cannot be started
Recording cannot be stopped

Overview
5
Power Indicator LED
LED Status
Description
Solid red
The phone is initializing.
Fast flashing red
The phone is ringing.
Slow flashing red
The phone receives a voice mail.
Off
The phone is powered off, powered on or idle.
Line key LED
LED Status
Description
Solid green
The line is seized.
The line is in conversation.
Fast flashing green
The line receives an incoming call.
Slow flashing green
The call is placed on hold.
Off
The line is inactive.
Line key LED (configured as BLF key)
LED Status
Description
Solid red
The monitored user is busy.
Fast flashing red
The monitored user receives an incoming call.
Off
The monitored user is idle.
The monitored user does not exist.
Line key LED (used as page switch key)
LED Status
Description
Solid red
There is a parked call on the line key of the non-current
page.
Solid green
There is a call on the line key of the non-current page.
Fast flashing green
The line receives an incoming call on the non-current
page.
Fast flashing red
The monitored user receives an incoming call on the
non-current page.
Off
Line keys on every page are idle.

You can place a call in three ways using your SIP-T42G IP phone:
Using the handset
Using the speakerphone
Using the headset
You can also dial the number first, and then choose the way you want to speak to the
other party.
You can also search and dial a contact from call history, local directory or remote phone
book. For more information, refer to Contact Management on page 26 and Call History
Management on page 40.
During a call, you can alternate between Speakerphone, Headset, or Handset mode by
pressing the Speakerphone key, the Headset key, or picking up the handset.
The call duration of active calls is visible on the LCD screen. In the figure below, the call
to the number”1007”has lasted 15 seconds.
To place a call using the handset:
1. Pick up the handset.
2. Enter the desired number using the keypad.
3. Press , , or the Send soft key.
The # key is configured as a send key by default. You can also set the * key as the send
key, or set neither. For more information, refer to the
To place a call using the hands-free speakerphone mode:
Do one of the following:
-With the handset on-hook, press or the line key to obtain a dial tone.
Enter the desired number using the keypad.
Press , or the Send soft key.
-With the handset on-hook, enter the desired number using the keypad.
Press , , or the Send soft key.

Basic Call Features
65
To place a call using the headset:
Do one of the following:
-With the optional headset connected, press to activate the headset mode.
Press the line key to obtain a dial tone.
Enter the desired number using the keypad.
Press , , or the Send soft key.
-With the optional headset connected, press to activate the headset mode.
Enter the desired number using the keypad.
Press , , or the Send soft key.
To place multiple calls:
You can have more than one call on your SIP-T42G IP phone. To place a new call during
an active call, do one of the following:
-Press the line key. The active call is placed on hold.
Enter the desired number using the keypad.
Press , , or the Send soft key.
-Press the Hold soft key to place the original call on hold.
Press the NewCall soft key.
Enter the desired number using the keypad.
Press , , or the Send soft key.
You can press or to switch between the calls, and then press the Resume soft
key to retrieve the desired call.
When you are not in another call, you can answer a call in three ways:
Using the handset
Using the speakerphone
Using the headset
Note
You can ignore incoming calls by pressing the Xkey, the Reject soft key or the Silence soft
key. You can also activate Do Not Disturb mode to ignore the incoming calls without ring
on your phone. For more information, refer to Do Not Disturb (DND) on page 72.
You can forward incoming calls to someone else by pressing the Fwd soft key. For more
information, refer to Call Forward on page 74.

Answering When Not in Another Call
Call duration and destination will always appear on the LCD screen for the active call.
To answer a call using the handset:
1. Pick up the handset.
To answer a call using the hands-free speakerphone mode:
Do one of the following:
-Press .
-With the handset on-hook and the headset mode deactivated, press the Answer
soft key.
-With the handset on-hook and the headset mode deactivated, press the line key
(the line key LED flashes green).
To answer a call using the headset:
Do one of the following:
-Press .
-With the headset mode activated, press the Answer soft key.
-With the headset mode activated, press the line key (the line key LED flashes
green).
Answering When in Another Call
If you have an active call, and an incoming call arrives on the phone, do one of the
following:
-Press the Answer soft key.
The incoming call is answered and the original call is placed on hold.
-Press to access the new call.
Press or the Answer soft key.
The incoming call is answered and the original call is placed on hold.
To end a call:
Do one of the following:
-If you are using the handset, press the Cancel soft key or hang up the handset.
-If you are using the headset, press the Cancel soft key.
-If you are using the speakerphone, press or the Cancel soft key.
Note
To end a call placed on hold, you can press the Cancel soft key to end the call directly, or
press the Resume soft key to resume the call before ending it.

67
To redial the last dialed number from your phone:
1. Press twice.
A call to your last dialed number is attempted.
To redial a previously dialed number from your phone:
1. Press when the phone is idle.
2. Press or to select the desired entry from the placed calls list, and then
press or the Send soft key.
You can view the placed calls list when the phone is in the pre-dialing interface. You
should enable recent call in dialing in advance.
To enable recent call in dialing via web user interface:
1. Click on Directory->Setting.
Auto answer allows the phone to automatically answer an incoming call on the line. You
can enable auto answer on a per-line basis.
To configure auto answer via phone user interface:
1. Press Menu->Features->Auto Answer.
2. Press or , or the Switch soft key to select the desired line from the Line field.
3. Press or , or the Switch soft key to select Enable from the Status field.
4. Press the Save soft key to accept the change or the Back soft key to cancel.
The icon appears on the LCD screen.
Auto answer is configurable via web user interface at the path Account->Basic.
Note
Auto answer is only applicable when there is no other call in progress on the phone.

Basic Call Features
69
You can enable auto redial to redial the phone number automatically when the called
party is busy. You can also configure the times settings for auto redial and the time to
wait between redial attempts.
To configure auto redial via phone user interface:
1. Press Menu->Features->Auto Redial.
2. Press or , or the Switch soft key to select Enable from the Auto Redial field.
3. Enter the desired time (in seconds) in the Redial Interval field.
The default time interval is 10 seconds.
4. Enter the desired times in the Redial Times field.
The default value is 10.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
Auto redial is configurable via web user interface at the path Features->General
Information.
To use auto redial:
When the called party is busy, the LCD screen prompts the following:
1. Press the OK soft key to activate auto redial.
The LCD screen prompts the following:
2. Wait for a period of time or press the OK soft key to redial the phone number.
The phone will retry as many times as configured until the called party is idle.