Use the Codec Entry - DTMF window to configure options for a selected Codec Entry that specify how to handle DTMF digits in the media stream.
On the
This object creates a DTMF profile, which maps one or more digit key sequences to actions and associated scripts for take back and transfer features such as blind transfer, consultative transfer, and conference and transfer.
To View and Edit Dtmf
On SBC main screen, go to Configuration > Profile Management > Category: Media Profiles > Codec Entry >Dtmf.DTMF or
All > Profiles > Media > Codec Entry > DTMF
The DTMF window opens. Select a Select the desired Codec Entry from the drop-down list to view and edit its respective Dtmf parameters.The Dtmf window is displayedDTMF parameters.
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| 0 | Figure |
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| 1 | Profile Management - Media Profiles - Codec Entry - DtmfDTMF Window |
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The following fields are displayed:Use the following table to edit the DTMF parameters for the selected Codec Entry, then click Save.
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| 0 | Table |
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| 1 | Codec Entry - DTMF Parameters |
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Parameter | Description |
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Relay | Specifies the type of DTMF relay. The possible values are: none—Leaves the DTMF tones None - Leaves the in-band DTMF tones as encoded audio. (default)- Out Of Band -
outOfBand—Applies to -to-SIP or -to-H.323. Carries DTMF in the signaling protocol.rfc2833 - —Applies to -to-SIP, -to-H.323, or -to- . Rfc2833- Encodes DTMF into RTP using a format and payload type distinct from the audio encoding.
eitherOoBOrRfc2833—OutEither Oob Or Rfc2833 - Out-of-Band band and RFC 2833 are equally both received and only one is transmitted. The one transmitted is the one preferred by the peer, or RFC 2833 is used as the default.o- Both Oob And2833 - Out
bothOoBAnd2833—Out-of-Band band and RFC 2883 are equally both received and both can be transmitted. This option would normally be used only in the case where the OOB DTMF signaling is absorbed and not regenerated. For example, the OOB DTMF might go to an application server that needs to detect the DTMF for control purposes but does not process RTP, and the 2833 DTMF would go to the destination media address as part of the RTP stream.
The default setting is None. | Remove Digits | Enables or disables the removal of DTMF digits from the media stream. This option applies only if DTMF relay is configured as Out -of-Of Band or RFC 2833 Rfc2833 . The default setting is Enabled. |
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Make the required changes and click Save at the right hand bottom of the panel to save the changes made.