5.22 [3-8-1] VM(DTMF) Group—System SettingsA Panasonic Voice Processing System (VPS) with DTMF Integration can be connected to SLT ports of thePBX. The SLT ports that are connected to the VPS are called a VM (DTMF) Group. A maximum of 2 (with theKX-TDA30/KX-TDA100/KX-TDA200) or 8 (with the KX-TDA600) VM (DTMF) Groups can be programmed.For more information on Voice Mail groups and DTMF integration, see "1.24.1 Voice Mail (VM)Group" and "1.24.2 Voice Mail DTMF Integration" in the Feature Guide.VM DTMF Status Signal—Ringback ToneSpecifies the DTMF status signal the PBX sends to the VPS when the called extension is ringing.Value RangeMax. 4 digits (consisting of 0–9, *, #, and P [pause])Maintenance Console Location5.22 [3-8-1] VM(DTMF) Group—System SettingsProgramming Manual ReferencesNoneFeature Guide ReferencesNoneVM DTMF Status Signal—Busy ToneSpecifies the DTMF status signal the PBX sends to the VPS when the called extension is busy.Value RangeMax. 4 digits (consisting of 0–9, *, #, and P [pause])Maintenance Console Location5.22 [3-8-1] VM(DTMF) Group—System SettingsProgramming Manual ReferencesNoneFeature Guide ReferencesNoneVM DTMF Status Signal—Reorder ToneSpecifies the DTMF status signal the PBX sends to the VPS when the dialled number is invalid.Value RangeMax. 4 digits (consisting of 0–9, *, #, and P [pause])PC Programming Manual 5455.22 [3-8-1] VM(DTMF) Group—System Settings