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Yealink SIP-T21P User Manual

Yealink SIP-T21P
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User Guide for the SIP-T21P IP Phone
66
Using the speakerphone
Using the headset
You can also dial the number first, and then choose the way you want to speak to the
other party.
You can also search and dial a contact from call history, local directory or remote phone
book. For more information, refer to Contact Management on page 27 and Call History
Management on page 42.
During a call, you can alternate between Speakerphone, Headset and Handset modes
by pressing the Speakerphone key, the HEADSET key, or picking up the handset.
The call duration of active call is visible on the LCD screen. In the figure below, the call to
Kame has lasted 9 seconds.
To place a call using the handset:
1. Pick up the handset.
2. Enter the desired number using the keypad.
3. Press , , or the Send soft key.
The # key is configured as a send key by default. You can also set the * key as the send
key, or set neither. For more information, refer to Key as Send on page 21.
Note
To place a call using the hands-free speakerphone mode:
Do one of the following:
- With the handset on-hook, press or the line key to obtain a dial tone.
Enter the desired number using the keypad.
Press , , or the Send soft key.
- With the handset on-hook, enter the desired number using the keypad.
Press , , , or the Send soft key.
You can also dial using the SIP URI or IP address. To obtain the IP address of the phone,
press the OK key. The maximum SIP URI or IP address length is 32 characters. For
example, SIP URI: 2210@sip.com, IP: 192.168.1.15.
Your phone may not support direct IP dialing. Contact your system administrator for more
information.

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Yealink SIP-T21P Specifications

General IconGeneral
Display132 x 64-pixel graphical LCD
Network10/100 Mbps Ethernet
SIP Accounts2
Wall MountableYes
Audio FeaturesHD Voice
ProtocolsSIP v1 (RFC2543), v2 (RFC3261)
Voice CodecsG.711(A/μ), G.729AB, G.726, G.722
Phonebook1000 entries
Call FeaturesCall hold, call waiting, call transfer, call forward, 3-way conferencing
SecuritySRTP, TLS, 802.1x, HTTPS
Ethernet Ports2 x RJ45 10/100 Mbps
Power SupplyPower over Ethernet (PoE) or optional power adapter
Operating Humidity10% to 90% (non-condensing)
LanguagesSupports multiple languages
PoEYes (802.3af)
Operating Temperature-10°C to 50°C

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