Yealink SIP-T21P User Manual

Customizing Your Phone
29
To add a group to 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. Press the AddGrp soft key.
3. Enter the desired group name in the Name field.
4. Press or to select the desired group ring tone from the Ring Tones field.
If Auto is selected, this group will use the ring tone assigned to the account. For
more information on ringtone for an account, refer to Ring Tones on page 25.
5. Press the Add soft key to accept the change or the Back soft key to cancel.
To edit a group in 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.

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