Yealink SIP-T40G User Manual

Customizing Your Phone
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5. Press Save.
Editing contacts is configurable via web user interface at the path Directory->Local Directory.
Deleting Contacts
You can delete a contact or all contacts from the local directory.
Delete a Contact
Procedure:
1. Press Directory (Dir) or navigate to Menu->Directory->Local Directory to enter the local
directory.
On the SIP-T48S/T48G IP phone, tap Directory or navigate to Menu->Directory->All
Contacts.
2. Enter the desired contact group.
If the contact is not in any group, enter the All Contacts.
3. Highlight a desired contact, and then press Option.
On the SIP-T48S/T48G IP phone, tap after the desired contact
4. Select Delete.
On the SIP-T48S/T48G IP phone, tap Delete.
A message is displayed on the LCD screen:
5. Press OK to delete.
Delete All Contacts
Procedure:
1. Press Directory (Dir) or navigate to Menu->Directory->Local Directory to enter the local
directory.
On the SIP-T48S/T48G IP phone, tap Directory or navigate to Menu->Directory->All
Contacts.
2. Enter the desired contact group.
3. Press Option, and then select Delete All.
On the SIP-T48S/T48G IP phone, tap Setting, and then tap the checkbox of Select All. Tap
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Yealink SIP-T40G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black
Wall mountable	Yes
Wi-Fi	No
Security algorithms	AES, HTTPS, SSL/TLS
Networking standards	IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Supported network protocols	FTP, TFTP, HTTP, HTTPS
Voice codecs	G.711, G.711a, G.711u, G.722, G.726, G.729ab
RJ-11 ports quantity	1
Ethernet LAN (RJ-45) ports	2
AC adapter input voltage	100 - 240 V
AC adapter output current	0.6 A
AC adapter output voltage	5 V
Power consumption (typical)	1.6 W
Certification	CE, FCC, ISO 9001
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 90 %
Volume control	Digital
Display diagonal	2.3 \
Display resolution	132 x 64 pixels
Lines quantity	3 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Number of handles included	1 pc(s)

Weight and Dimensions

Depth	175 mm
Width	212 mm
Height	54 mm