org.bluez.Telephony1(5) Linux System Administration org.bluez.Telephony1(5) (NAME) org.bluez.Telephony - D-Bus BlueZ (INTERFACE) (Service) org.bluez (Interface) org.bluez.Telephony1 [experimental] (Object path) [variable prefix]/{hci0,hci1,...}/dev_{BDADDR}/telephony# (Used by) bluetoothctl-telephony(1) (Methods) object Dial(string uri) uri URI ( URI scheme) (Caller ID ) . URI URI (IANA) : . HFP URI "tel:" . : [0-9+*#,ABCD]{1,80} + * # , A D . . (gateway) / . . : ( ) (hold) . : org.bluez.Error.InvalidState org.bluez.Error.InvalidArguments org.bluez.Error.NotSupported org.bluez.Error.Failed : bluetoothctl > telephony.dial [telephony] void SwapCalls() (Active) (Held) . ( ) ( ) . GSM (Waiting) . Held Active Waiting . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed void ReleaseAndAnswer() ( ) . . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed void ReleaseAndSwap() ( ) . . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed void HoldAndAnswer() ( ) . GSM . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed void HangupAll() (waiting) . . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed : bluetoothctl > telephony.hangup-all [telephony] void HangupActive() . . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed void HangupHeld() (held) (waiting) . . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed array{object} CreateMultiparty() . . . GSM . : :org.bluez.Error.InvalidState :org.bluez.Error.Failed void SendTones(string tones) DTMF . . : '0' - '9' '*' '#' 'A' 'B' 'C' 'D'. . : :org.bluez.Error.InvalidState :org.bluez.Error.InvalidArgs :org.bluez.Error.Failed (Properties) string UUID [readonly] (UUID) . array{string} SupportedURISchemes [readonly] URI . string State [readonly] . : "connecting" RFComm "slc_connecting" (Service Level Connection) "connected" RFComm "disconnecting" boolean Service [readonly] . byte Signal [readonly] 0 5. boolean Roaming [readonly] . byte BattChg [readonly] 0 5. string OperatorName [readonly, optional] . boolean InbandRingtone [readonly] (In-band Ringtone). BlueZ May 2025 org.bluez.Telephony1(5)