Yealink SIP-T40G User Manual

Customizing Your Phone
85
On the SIP-T48S/T48G IP phone, tap after the desired entry.
3. Select Add to Blacklist.
On the SIP-T48S/T48G IP phone, tap Blacklist.
4. Edit the corresponding fields.
5. Press Save.
The entry is successfully saved to the blacklist directory.
For how to place calls to and/or search for contacts in the mobile contacts directory, refer to
Placing Calls to Contacts and/or Searching for Contacts.
Note
Updating the Mobile Contacts Directory
1. Navigate to Menu->Directory->Mobile Contacts.
2. Press Option, and then select Update.
For the SIP-T48S/T48G IP phone, tap Update.
The LCD screen prompts “Updating, please wait…”. Note that the IP phone should be
authorized first to temporarily synchronize the contacts stored on your mobile phone.
The mobile contact that is added to the local directory or blacklist will not disappear, even after
you disconnect the mobile phone from the IP phone.
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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