onCallRingBack (Ringback Event)

After the local party initiates a call, the local party receives the ringback event, in which the parameter carries the call ID.

{
   "description" : "TSDK_E_CALL_EVT_CALL_RINGBACK",
   "notify" : 2004,
   "param" : {
      "callId" : 1867907072
   }
}

**Table 1** Parameter description
Parameter	Type	Description
description	String	Description of the current request.
notify	Number	Internal event ID.
param	Param	Event content.

**Table 2** Param
Parameter	Type	Description
callId	Number	Call ID.

Pay attention to the callId field in Param.

Parent topic: Events

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