Yealink SIP-T3 Administrator's Manual page 537

Administrator's Guide for SIP-T2 /T3 /T4 /T5 /CP920 IP Phones
Variable Value
CALLEND/CallEnd
ASW/CANCEL/HOLD/UNHOLD:xxx
ACDlogin
ACDlogout
SWAP
SPLIT
xxx&Duration=yyy&Hide=n
531
http://10.10.20.10/servlet?key=NoAnswFwdOff
End a call.
Answer/end/hold/unhold a call (xxx refers to the call-id of the active
call).
Example:
http://10.10.20.10/servlet?key=ASW:33093
Note: To get the call-id of the active call, configure the action URL:
http(s)://<serverIPAddress>/help.xml?CallId=$call_id. For more
information, refer to Action
Log into the ACD system.
Note: When ACD authentication information is required, the valid
URI is: http(s)://<-
phoneIPAd-
dress>/servlet?key=ACDlogin&agentID=xxx&password=xxx. When
ACD authentication information is not required, the valid URI is: http
(s)://<phoneIPAddress>/servlet?key=ACDlogin.
Log out of the ACD system.
Swap to the held call when there is an active call and a held call on
the phone.
Split the local conference call into individual calls. After the split, the
conference call ends, and other parties are held.
Note: It is not available for network conference.
The server sends a specific DTMF command to the phone during the
call.
Example:
1. https://10.10.20.10/servlet?Key=1234&Duration=600&Hide=1
It means that DTMF digits 1234 are transmitted in 600ms and dis-
played as * on the phone.
2. https://10.10.20.10/servlet?Key=1234&Hide=0
It means that DTMF digits 1234 are transmitted with the current dur-
ation (configured by "features.dtmf.duration") and displayed on the
phone.
3. https://10.10.20.10/servlet?Key=1234&Duration=800
It means that DTMF digits 1234 are transmitted in 800ms, and
whether they are displayed on the phone is determined by "fea-
tures.dtmf.hide".
4. https://10.10.20.10/servlet?Key=1234
It means that DTMF digits 1234 are transmitted with the current dur-
ation (configured by "features.dtmf.duration"), and whether they are
displayed on the phone is determined by "features.dtmf.hide".
Phone Action
URL.