Yealink SIP-T21P User Manual

Customizing Your Phone
37
You can manage your phone’s local directory via phone user interface or web user
interface. But you can only import or export the contact list via web user interface.
To import an XML file of contact list via web user interface:
1. Click on Directory->Local Directory.
2. Click Browse to locate a contact list file (file format must be *.xml) from your local
system.
3. Click Import XML to import the contact list.
The web user interface prompts “The original contact will be covered, Continue?”.
4. Click OK to complete importing the contact list.
To import a CSV file of contact list via web user interface:
1. Click on Directory->Local Directory.
2. Click Browse to locate a contact list file (file format must be *.csv) from your local
system.
3. (Optional.) Check the Show Title checkbox.
It will prevent importing the title of the contact information which is located in the
first line of the CSV file.
4. Click Import CSV to import the contact list.
5. (Optional.) Mark the On radio box in the Delete Old Contacts field.
It will delete all existing contacts while importing the contact list.

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