Yealink SIP-T27G User Manual

User Guide for the SIP-T27G IP Phone
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7. Press the Save soft key to accept the change or the Back soft key to cancel.
Anonymous call is configurable via web user interface at the path Account->Basic.
To place an anonymous call:
1. Using the specific line on the phone to place a call to phone B.
The LCD screen of phone B prompts an incoming call from anonymity.
Anonymous Call Rejection
You can use anonymous call rejection to reject incoming calls from anonymous callers.
Anonymous call rejection automatically rejects incoming calls from callers who deliberately
block their identities and numbers from being displayed. Anonymous call rejection is
configurable on a per-line basis. You can also configure the phone to send anonymous call
rejection on/off code to the server to activate/deactivate anonymous call rejection on the server
side.
To configure anonymous call rejection via phone user interface:
1. Press Menu->Features->Anonymous Call.
2. Press or , or the Switch soft key to select the desired account from the Line ID
field.
3. Press or to scroll to the Local Anonymous Rejection field.
4. Press or , or the Switch soft key to select Enabled from the Local Anonymous
Rejection field.
5. Press or , or the Switch soft key to select the desired value from the Send
Rejection Code field.
The phone will send the configured on code or off code depending on your selection when
you enable or disable anonymous call rejection feature on the phone.
6. (Optional.) Enter the anonymous call rejection on code in the On Code field.
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Yealink SIP-T27G Specifications

General

Mounting	Desk/Wall
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Gold
Wall mountable	Yes
Display diagonal	3.66 \
Display resolution	240 x 120 pixels
RJ-9 ports quantity	2
USB 2.0 ports quantity	1
Voice codecs	CNG, G.711, G.722, G.723.1, G.726, G.729, G.729ab, VAD, iLBC
Dual-Tone Multi-Frequency (DTMF) modes	SIP info
Lines quantity	8 lines
Phonebook capacity	1000 entries
Number of VoIP accounts	6
Bluetooth	-
Security algorithms	AES, MD5
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Ethernet LAN interface type	Gigabit Ethernet
Volume control	Digital
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %
Cables included	LAN (RJ-45)
Number of handles included	1 pc(s)
Harmonized System (HS) code	85171800

Weight and Dimensions

Depth	210 mm
Width	265 mm
Height	170.5 mm