Yealink SIP-T21P User Manual

Basic Call Features
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4) (Optional.) Enter the no answer forward on code or off code respectively in
the On Code or Off Code field.
You can also enable no answer forward for all accounts. After no answer
forward was enabled for a specific account, do the following:
1) Press or to scroll to the No Answer field.
2) Press the All Lines soft key.
The LCD screen prompts “Copy to All Lines?”.
3) Press the Ok soft key to accept the change or the Cancel soft key to cancel.
5. Press the Save soft key to accept the change or the Back soft key to cancel.
The icon appears on the idle screen and the associate line icon changes to .
Call forward is configurable via web user interface at the path Features->Forward &
DND.
Note
To disable call forward in phone mode:
Do one of the following:
- Press when the phone is idle.
- Press Menu->Features->Call Forward.
Press or to select the desired forwarding type, then press the Enter soft
key.
Press , , or the Switch soft key to select Disable to disable the call forward.
You can also enter the SIP URL or IP address in the Forward to field. For more information
on using the SIP URL or IP address, refer to Placing Calls on page 65.
Call forward is local to the phone, and may be overridden by the server settings. Call
forward on code or off code may be different between servers. For more information,
contact your system administrator.

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