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Yealink SIP-T27G User Manual

Yealink SIP-T27G
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User Guide for the SIP-T27G IP Phone
62
a contact from the blacklist directory. Incoming calls from blacklist directory contacts will be
rejected automatically.
To add a contact to the blacklist directory manually:
1. Press Menu->Directory->Blacklist.
2. Press the Add soft key.
3. Enter the name and the office, mobile or other numbers in the corresponding fields.
4. Press or , or the Switch soft key to select the desired account from the Account
field.
If Auto is selected, the phone will use the default account when placing calls to the contact
from the blacklist directory.
5. Press the Add soft key to accept the change or the Back soft key to cancel.
To add a contact to the blacklist directory from the local directory:
1. Press the Directory soft key.
The IP phone enters the local directory directly as there is only Local Directory enabled in
the directory by default.
If Local Directory is removed from the directory (refer to Directory on page 50), press
Menu->Directory->Local Directory to enter the local directory.
2. Select the desired contact group and then press the Enter soft key.
If the contact is not in any group, select All Contacts and then press the Enter soft key.
3. Press or to highlight the desired contact.
4. Press the Option soft key, and then select Add to Blacklist from the prompt list.
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Yealink SIP-T27G Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack, Gold
Wall mountableYes
Display diagonal3.66 \
Display resolution240 x 120 pixels
RJ-9 ports quantity2
USB 2.0 ports quantity1
Voice codecsCNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modesSIP info
Lines quantity8 lines
Phonebook capacity1000 entries
Number of VoIP accounts6
Bluetooth-
Security algorithmsAES, MD5
Networking standardsIEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface typeGigabit Ethernet
Volume controlDigital
Operating temperature (T-T)-10 - 50 °C
Operating relative humidity (H-H)10 - 95 %
Cables includedLAN (RJ-45)
Number of handles included1 pc(s)
Harmonized System (HS) code85171800
Weight and Dimensions IconWeight and Dimensions
Depth210 mm
Width265 mm
Height170.5 mm

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