Yealink SIP-T21P User Manual

User Guide for the SIP-T21P IP Phone
68
Answering When Not in Another Call
Call duration and destination will always appear on the LCD screen for the active call.
To answer a call using the handset:
1. Pick up the handset.
To answer a call using the hands-free speakerphone mode:
Do one of the following:
- Press .
- With the handset on-hook and headset mode deactivated, press the Answer soft
key.
- With the handset on-hook and headset mode deactivated, press the line key (the
line key LED flashes green).
To answer a call using the headset:
Do one of the following:
- Press .
- With the headset mode activated, press the Answer soft key.
- With the headset mode activated, press the line key (the line key LED flashes
green).
Answering When in Another Call
If you have an active call, and an incoming call arrives on the phone, do one of the
following:
- Press the Answer soft key.
The incoming call is answered and the original call is placed on hold.
- Press to access the new call.
Press or the Answer soft key.
The incoming call is answered and the original call is placed on hold.
To end a call:
Do one of the following:
- If you are using the handset, press the Cancel soft key or hang up the handset.
- If you are using the headset, press the Cancel soft key.

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