Yealink SIP-T54S, Administrator'S Manual

Page: 844 / 1126

Administrator’s Guide for SIP-T2 Series/T19(P) E2/T4 Series/T5 Series/CP860/CP920 IP Phones
818
The action string 1013$Tinvite$$Cwc$$Cp10$$Penter number&C4&N$$Tdtmf$$Cp3$$Chu$ is
executed in order as follows:
1)
A prompt appears on the LCD screen.
2)
Enter a number for up to 4 digits. For example, 1234. Press the
OK
soft key to continue.
3)
The IP phone places a call to 1013 using the default account, and then waits for
connection.
4)
After connection, there is a 10 second pause, and then the entered number 1234 is using
DTMF dialing on the active call.
5)
After sending DTMF digits, there is a 3 second pause, and then the active call is
automatically disconnected.