Yealink SIP-T21P User Manual

User Guide for the SIP-T21P IP Phone
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The LCD screen displays the search results in the adjusted order.
6. Click Confirm to accept the change.
Note
To search for a contact in the enabled search source lists:
1. Pick up the handset, press the speakerphone or press the line key.
2. Enter a few continuous characters of the contact name or number using the keypad.
The contacts in the enabled search source lists whose name or number matches the
characters entered will appear on the LCD screen. You can press or to
select the desired contact and then place a call to the contact.
Search source list in dialing is configurable via web user interface only.

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