Yealink T21PE2 User Manual

Administrator’s Guide for SIP-T2 Series/T4 Series/T5 Series/CP920 IP Phones
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answers the call.
Note: The CONF key is only applicable to T29G/T27G IP phones. The conference DSS key is not applicable
to CP920 IP phones.
Permitted
Values
0-Disabled, the first call is placed on hold. The user needs to press the Conf/Conference soft key, CONF
key or conference DSS key again to set up a conference after the second party answers the call.
1-Enabled. The second party joins a conference with the first party after answering the call, both phones
play a warning tone.
Default 0
Parameter transfer.tran_others_after_conf_enable <y0000000000xx>.cfg
Description
It enables or disables the IP phone to transfer the local conference call to the other two parties after the
conference initiator drops the local conference call.
Permitted
Values
0-Disabled, all parties are disconnected when the conference initiator drops the conference call.
1-Enabled, the other two parties remain connected when the conference initiator drops the conference
call.
Default 0
Web UI Features->Transfer->Transfer on Conference Hang up
Network Conference Configuration
Network conference, also known as a centralized conference, provides you with the flexibility of call with multiple par-
ticipants (more than three). The IP phones implement network conference using the REFER method specified in RFC
4579. This feature depends on the support from a SIP server
For network conference, if any party leaves the conference, the remaining parties are still connected.
The following table lists the parameter you can use to configure network conference.
Parameter
account.X.conf_uri
[1]
<MAC>.cfg
Description
It configures the network conference URI for a specific account.
Note: It works only if “account.X.conf_type” is set to 2 (Network Conference).
Permitted
Values
SIP URI within 511 characters
Default Blank
Web UI Account->Advanced->Conference URI
[1]
X is the account ID. For T54S/T48S/T48G/T46S/T46G/T29G, X=1-16; for T52S/T42G/T42S, X=1-12; for T41P/T41S/T27G,
X=1-6; for T40P/T40G/T23P/T23G, X=1-3; for T21(P) E2, X=1-2; for T19(P) E2/CP920, X=1.
USB Recording
Yealink IP phones support manual recording during a call or automatic recording once the call is set up. Yealink CP920
IP phones support recording when the phone is idle, helping users record an important discussion in the local con-
ference room. Before recording, ensure that the USB flash drive has been connected to the IP phone or USB port of the
PSTN box CPN10 (CPN10 is only applicable to CP920 IP phones). USB recording is only applicable to
T54S/T52S/T48S/T48G/T46S/T46G/T42S/T41S/T29G/T27G/CP920 IP phones.

Yealink T21PE2 Specifications

General

Brand	Yealink
Model	T21PE2
Category	IP Phone
Language	English