Participant object fields
Each call has at least 2 call participants (caller and called party). Conference calls may have more than 2 participants (such scenarios are not supported at the moment, but may be added in future).
Call participants are represented as JSON objects with the following attributes:
| Field | Type | Description | 
|---|---|---|
| participant_id | string | Unique participant id It is unique only within a scope of this call instance. | 
| join_time | datetime | Date/time when the participant joined the call. Format is ISO8601 with timezone, for example,  | 
| leave_time | datetime | Date/time when the participant left the call | 
| user_id | string | If such call participant is known to MiaRec, then  This is field can be  | 
| party_direction | integer | Participant direction: 
 | 
| party_type | integer | Participant type: 
 | 
| party_number party_name party_caller_id | string | Name, number and id of participant. These values are provided by phone system | 
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