# toneDial
Description: tone dialing.
Request example:
{
    "method" : "toneDial",
    "requestId" : "1",
    "symbol" : "a",
    "callId" : "user@some.server/InstancePart"
}
Response example:
{
    "method" : "toneDial",
    "requestId" : "1",
    "result" : true
}
Parameter description:
- symbol— Extension dialing symbol
- callId- unique identifier of a user (TrueConf ID) in the current conference for which an additional call is being made. You should use the ones obtained from the methods: newParticipantInConference, getConferenceParticipants. Applicability:- PeerId - not supported 
- CallId - not supported 
- InstanceId - supported 
 
- requestId- a unique request identifier. You can learn more about it here.
See also: