Yealink SIP-T21P User Manual

User Guide for the SIP-T21P IP Phone
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2. Select the desired group and then press the Enter soft key.
3. Press or to select the desired contact.
4. Press the Option soft key, and then select Delete from the prompt list.
The LCD screen prompts “Delete Selected Item?”.
5. Press the Ok soft key to confirm the deletion or the Cancel soft key to cancel.
To place a call to a contact from the local directory:
1. Press the Dir soft key.
The IP phone enters the local directory directly as there is only Local Directory in the
directory by default.
If Local Directory is removed from the directory, press Menu->Dir->Local Directory
to enter the local directory.
2. Select the desired group and then press the Enter soft key.
3. Press or to select the desired contact.
4. Do one of the following:
- If only one number of the contact is stored in the local directory, press the DIAL
soft key to dial out the number.
- If multiple numbers of the contact are stored in the local directory, press the
DIAL soft key to display a list of numbers.
Press or to select the desired number.
Press the DIAL soft key to dial out the number.

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