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The SIP DTMF Support object will enable the IMG 2020 to accept specific DTMF sequences and using the Subscribe/Notify feature, send a Notify message to a far end gateway. Encapsulated within this notify message will be the Event: indicating the sequence entered. The supported DTMF digits are shown in the tables below. Use the SIP DTMF Support object when configuring either the SIP Subscribe/Notify Method or SIP INFO Method to send specific DTMF digit sequences to a far end gateway. The SIP DTMF Support object is created under the SIP Profile (SGP) object.
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