Yealink SIP-T42G User Manual

User Guide for the SIP-T42G IP Phone
40
When the locked phone is idle:
Line keys, digit keys, # key, * key, volume key, headset key and speakerphone key are
available and other keys on the phone are locked.
You can pick up the handset or press the speakerphone key or press any numeric key or
press the line key to enter the pre-dialing screen, enter the emergency number, and
then press or the Send soft key to place a call.
You can only place an emergency call and cannot make other outgoing call. And you
cannot search contacts on the pre-dialing screen.
When the locked phone receives an incoming call:
You can answer, reject or mute the incoming calls only.
When the locked phone engages in a call:
You can place the call on hold, end the call or dial emergency numbers only.
Note
To change the phone unlock PIN via phone user interface:
1. Press Menu->Settings->Basic Settings->Phone Lock.
2. Select Change PIN.
3. Press the OK soft key.
4. Enter current PIN in the Current PIN field.
5. Enter the new unlock PIN in the New PIN field.
6. Enter the new unlock PIN again in the Confirm PIN field.
7. Press the Save soft key to change the unlock PIN.
Phone status will change to Away after the phone is locked and the phone will revert to
previous status when unlocked. For more information, refer to Changing Presence on
page 23.

Yealink SIP-T42G Specifications

General

Power requirements	100-240V, DC 5V
Power over Ethernet (PoE)	Yes
Touchscreen	-
Display diagonal	2.7 \
Display resolution	192 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Voice codecs	G.711, G.723, G.729A, G.729B
Bluetooth	No
RJ-9 ports quantity	2
Ethernet LAN (RJ-45) ports	1
Storage temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Grey
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	189 mm