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Yealink SIP-T2 Series

Yealink SIP-T2 Series
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Administrators Guide for SIP-T2 Series/T19(P) E2/T4 Series IP Phones
770
The Custom Key displays on the phone:
3. Press the Custom Key when the phone is idle.
The action string 1013$Tinvite$$Cwc$$Cp10$$Penter
number&C4&N$$Tdtmf$$Cp3$$Chu$ is executed in order as follows:
1) A prompt displays 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
sent 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.

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