Section: 9.3.25 Start DTMF Acknowledge
Content: This message is sent by the network to the mobile station to indicate the successful initiation of the action requested by the START DTMF message (conversion of the digit contained in this message into a DTMF tone). See table 9.72/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] . Message type: START DTMF ACKNOWLEDGE Significance: local Direction: network to mobile station Table 9.72/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : START DTMF ACKNOWLEDGE message content