Yealink SIP-T21P User Manual

Customizing Your Phone
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The phone connects to load the corporate directory, and then the corporate contact
list appears on the LCD screen.
3. Press the Back soft key to back to the previous interface.
To search for a contact in the corporate directory:
1. Press Menu->Dir->Remote Phone Book.
If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to
enter remote phone book.
2. Select the desired remote group, and then press the Enter soft key to load the
corporate directory.
3. Press the Search soft key.
4. Enter a few continuous characters of the contact name or number using the keypad.
The contacts whose name or number matches the characters entered will appear
on the LCD screen. You can dial from the result list.
To place a call from the corporate directory:
1. Press Menu->Dir->Remote Phone Book.
If Remote Phone Book is added to the directory, press Dir->Remote Phone Book to
enter remote phone book.
2. Press or to select the desired remote group, and then press the Enter soft
key to load the corporate directory.
3. Select the desired contact in the corporate directory.
4. Press the DIAL soft key.
In addition, you can enable the phone to present the caller identity stored in the
corporate directory when receiving a call.
To enable the presentation of caller identity stored in remote phone book via web user
interface:
1. Click on Directory->Remote Phone Book.
2. Select Enabled from the pull-down list of Search Remote Phonebook Name.

Yealink SIP-T21P Specifications

General

Display	132 x 64-pixel graphical LCD
Network	10/100 Mbps Ethernet
SIP Accounts	2
Wall Mountable	Yes
Audio Features	HD Voice
Protocols	SIP v1 (RFC2543), v2 (RFC3261)
Voice Codecs	G.711(A/μ), G.729AB, G.726, G.722
Phonebook	1000 entries
Call Features	Call hold, call waiting, call transfer, call forward, 3-way conferencing
Security	SRTP, TLS, 802.1x, HTTPS
Ethernet Ports	2 x RJ45 10/100 Mbps
Power Supply	Power over Ethernet (PoE) or optional power adapter
Operating Humidity	10% to 90% (non-condensing)
Languages	Supports multiple languages
PoE	Yes (802.3af)
Operating Temperature	-10°C to 50°C