Yealink SIP-T23G User Manual

Advanced Phone Features
161
You can leave voice mails for someone else using the SIP-T23P/G IP phone. You can also
listen to voice mails that are stored in a voice mailbox. When receiving a new voice mail,
the phone will play a warning tone. The power indicator LED will slow flash red, and the
LCD screen will prompt “n New Voice Mail(s)” (“n” indicates the number of unread voice
messages, e.g., 4 New Voice Mail(s)) and a flashing icon .
If the voice mail pop-up message box disappears, it won't pop up again unless the user
receives a new voice mail or the user re-registers the account that has unread voice
mail(s).
Note
To leave a voice mail:
You can leave a voice mail for someone else when he/she is busy or inconvenient to
answer the call. Follow the voice prompt from the system server to leave a voice mail,
and then hang up.
To configure voice mail access codes via phone user interface:
1. Press Menu->Message->Voice Mail->Set Voice Mail.
2. Press the navigation keys to highlight the account which you want to set.
3. Press the 123 soft key to select the proper input mode and then enter the voice mail
access code (e.g., *97).
4. Press the Save soft key to accept the change or the Back soft key to cancel.
Note
Voice Mail is not available on all servers.
You can configure the phone not to display the pop-up prompt, contact your system
administrator for more information.
Voice mail access codes must be predefined on the system server. Contact your system
administrator for the more information.

Yealink SIP-T23G Specifications

General

Backlight	Yes
Voice codecs	G.711a, G.722.2, G.726, G.729ab, iLBC
Volume control	Digital
Handset type	Wired handset
Product type	IP Phone
Product color	Black, Silver
Display resolution	132 x 64 pixels
Lines quantity	- lines
Phonebook capacity	1000 entries
Number of VoIP accounts	3
Networking standards	IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x, IEEE 802.3af
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)	1.56 W
Number of handles included	- pc(s)
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95 %

Weight and Dimensions

Depth	188 mm
Width	209 mm
Height	150 mm