Installing the VoIP Intercom
Parts List
Operations Guide 930242G CyberData Corporation
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2.3.4.2 Delayed DTMF
On the SIP Configuration page the dial out extension now supports the addition of comma
delimited pauses and sending additional DTMF tones (using rfc2833). The first comma will pause
three seconds after a call is first established with a remote device. Subsequent commas will pause for
2 seconds. A pause of one second will be sent after each numerical digit.
Note The maximum number of total characters in the dial-out field is 25.
Table 2-10. Examples of Dial-Out Extension Strings
Extension String Resulting Action
302 Dial out extension 302 and establish a call
302,2 Dial out extension 302 and establish a call, wait 3 seconds then send the
DTMF tone '2'
302,25,,,4,,1 Dial out extension 302 and establish a call, wait 3 seconds then send the
DTMF tone '2', send out DTMF tone 5, wait 6 seconds, send out DTMF
tone 4, wait 4 seconds, send out DTMF tone 1
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