Yealink SIP-T21P User Manual

Basic Call Features
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3. Press or the Tran soft key to complete call transfer.
Then the call is connected to the number to which you are transferring.
To perform a semi-attended transfer:
1. Press or the Tran soft key during a call.
2. Do one of the following:
- Enter the number you want to transfer the call to.
- Press the Dir soft key, and then select Local Directory. Select the desired group,
and search for the contact (Directory should be configured in advance. Refer to
Directory on page 27 for more information.).
- Press the Dir soft key, and then select History. Select the desired list and use
or to select the entry (Directory should be configured in advance. Refer to
Directory on page 27 for more information.).
- Press the Dir soft key, and then select Remote Phone Book. Select the desired
group and search for the contact (Directory and remote phone book should be
configured in advance. Refer to Directory on page 27 and Remote Phone Book
on page 40 for more information.).
3. Press or to dial out.
4. Press or the Tran soft key to complete call transfer when receiving the
ringback.
To perform an attended transfer:
1. Press or the Tran soft key during a call.
2. Do one of the following:
- Enter the number you want to transfer the call to.
- Press the Dir soft key, and then select Local Directory. Select the desired group,
and search for the contact (Directory should be configured in advance. Refer to
Directory on page 27 for more information.).
- Press the Dir soft key, and then select History. Select the desired list and use
or to select the entry (Directory should be configured in advance. Refer to
Directory on page 27 for more information.).
- Press the Dir soft key, and then select Remote Phone Book. Select the desired
group and search for the contact (Directory and remote phone book should be
configured in advance. Refer to Directory on page 27 and Remote Phone Book
on page 40 for more information.).
3. Press or to dial out.
4. After the party answers the call, press or the Tran soft key to complete call
transfer.

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