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Yealink SIP-T23P User Manual

Yealink SIP-T23P
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Basic Call Features
119
You can use anonymous call to block your identify and phone number from appearing
to the called party when you call someone. For example, you want to call to consult
some services, but dont want to be harassed. Anonymous call is configurable on a
per-line basis. You can also configure the phone to send anonymous call on/off code to
the server to activate/deactivate anonymous call on the server side.
Note
To configure anonymous call via phone user interface:
1. Press Menu->Features->Anonymous Call.
2. Press or , or the Switch soft key to select the desired line from the Line ID
field.
3. Press or , or the Switch soft key to select Enabled from the Local
Anonymous field.
4. (Optional.) Press or , or the Switch soft key to select the desired value
from the Send Anony Code field.
The phone will send the configured on code or off code depending on your
selection when you enable or disable anonymous call feature on the phone.
5. (Optional.) Enter the anonymous call on code in the On Code field.
6. (Optional.) Enter the anonymous call off code in the Off Code field.
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.
Anonymous call is not available on all servers. Contact your system administrator for the
anonymous call on code and off code.

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Yealink SIP-T23P Specifications

General IconGeneral
MountingDesk/Wall
Handset typeWired handset
Product typeIP Phone
Product colorBlack
Wall mountableYes
Display resolution132 x 64 pixels
Ethernet LAN (RJ-45) ports2
Security algorithmsHTTPS
Ethernet LAN data rates10, 100 Mbit/s
Voice codecsCNG, G.711a, G.722, G.726, G.729ab, VAD
Phonebook capacity1000 entries

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