The SIP DTMF Trigger Detection and Notification functionality enables the
to look for specific DTMF trigger patterns and to notify an external SIP entity when such patterns are detected. If a mid-call trigger is configured for a call, it is activated as soon as the call is connected. When the
detects DTMF input matching the pattern criteria of the trigger, it sends the DTMF input in a SIP INFO message to the SIP call peer with content type application/dtmf.
The values are:
To View Dtmf Trigger
On SBC main screen, go to Configuration > Profile Management > Category: Dtmf Trigger Profile > Dtmf Trigger.
The Dtmf Trigger window is displayed.
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| 1 | Profile Management - Dtmf Trigger |
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To Edit Dtmf Trigger
To edit any of the Dtmf Trigger in the list, click the radio button next to the specific Dtmf Trigger name.
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| 1 | Profile Management - Trigger Highlighted |
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The Edit Selected Dtmf Trigger window is displayed below.
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| 1 | Profile Management - Dtmf Trigger Edit Window |
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The following fields are displayed:
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Parameter | Description |
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Name
| Specifies the DTMF name. | State
| Specifies the administrative state of this dtmf trigger.
• disabled—Disables the DTMF trigger.
• enabled—Enables the DTMF trigger. | Pattern
| Indicates the pattern in digit-regular expression on which the should match. Multiple patterns can be strung together using "." If you do not enter a pattern value, S# is assumed to be the default. | Interdigit
Timeout
| Specifies the interdigit timer (maximum time between digits) in milliseconds. If 0 is specified, the timer is disabled. Must be 0 to 65535. The default value is 4000. | Longdigit
Duration
| Specifies the duration in milliseconds for a digit to be considered long. If 0 is specified, long digits are disabled. Must be 0 to 65525. The default value is 2000. |
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Make the required changes and click Save at the right hand bottom of the panel to save the changes made.