Yealink SIP-T21P User Manual

User Guide for the SIP-T21P IP Phone
110
To configure an ACD key via phone user interface:
1. Press Menu->Features->DSS Keys.
2. Select the desired DSS key.
3. Press or , or the Switch soft key to select ACD from the Type field.
4. Press the Save soft key to accept the change or the Back soft key to cancel.
ACD key is configurable via web user interface at the path DSSKey->Line Key.
To log into the ACD system:
1. Press the ACD key when the phone is idle.
The LCD screen prompts you the following information:
User ID: the identity used to log into the queue.
Password: the password used to log into the queue.
2. Press the Login soft key to login.
Note
After configuring an ACD key, you can press the ACD key to log into the ACD system.
After logging in, you are ready to receive calls from the ACD system. You can press the
ACD key to show your current ACD user status. You can press the Available/Unavailable
soft key to change your ACD user status. ACD user status synchronizes on both IP phone
and ACD system. When you set the ACD user status to be available, the ACD key LED
illuminates solid green, and then the server begins distributing calls to your phone.
When you set the phone to be unavailable, the ACD key LED flashes green, and then the
server temporarily stops distributing calls to your phone. To log out of the ACD system,
press the Logout soft key.
Note
It is recommended you configure no more than one ACD key per phone. At any time, at
most one ACD key can be in progress on your phone.
Contact your system administrator for the User ID and Password to access the ACD
system.

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