Yealink SIP-T21 E2

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
742
Variable Value
Phone Action
OFFHOOK
For SIP-
T54S/T52S/T48G/T48S/T46G/T46S/T42G/T
42S/T41P/T41S/T40P/T40G/T29G/T27P/T2
7G/T23P/T23G/T21(P) E2/T19(P) E2 IP
phones:
Pick up the handset.
For CP860/CP920 IP phones:
Press the off-hook key.
ONHOOK
For SIP-
T54S/T52S/T48G/T48S/T46G/T46S/T42G/T
42S/T41P/T41S/T40P/T40G/T29G/T27P/T2
7G/T23P/T23G/T21(P) E2/T19(P) E2 IP
phones:
Hang up the handset.
For CP860/CP920 IP phones:
Press the on-hook key.
ANSWER/ASW/Asw
Answer a call.
Reset
Reset a phone.
ATrans=xxx
Perform a semi-attended/attended transfer to
xxx.
BTrans=xxx
Perform a blind transfer to xxx.
phonecfg=get[&accounts=x][&dnd=
x][&fw=x]
Get firmware version, registration, DND or
forward configuration information.
The valid value of “x” is 0 or 1, 0 means you
do not need to get configuration information.
1 means you want to get configuration
information.
Note: The valid URI is:
http(s)://<phoneIPAddress>/servlet?phonecf
g=get[&accounts=x][&dnd=x][&fw=x]
Example:
http://10.3.20.10/servlet?phonecfg=get[&acc
ounts=1][&dnd=0][&fw=1]
CallWaitingOn
Activate the call waiting feature.
CallWaitingOff
Deactivate the call waiting feature.