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Initiating a Call From the Server

Effect Display

You can initiate a call and input uplink audio-video media streams through the server. The client-side effect of answering a call is as follows:
1V1 call
group call




Start Access

Initiating a Call From the Server

Example Request URL

https://console.tim.qq.com/v4/call_engine_http_srv/start_call_by_robot?sdkappid=88888888&identifier=administrator&
usersig=xxx&random=99999999&contenttype=json
Parameter
Description
Value
xxxxxx
SDKAppID resides in the country/region with a dedicated domain name
China: console.tim.qq.com, Singapore: adminapisgp.im.qcloud.com
https
request protocol
The request protocol is HTTPS, and the request method is POST.
console.tim.qq.com
Request domain
fixed as console.tim.qq.com
ver
protocol version number
fixed as v4
servicename
internal service name, different servicename corresponds to different service type
Example: v4/call_engine_http_srv/get_call_info, among them call_engine_http_srv is the servicename
command
Command word, combined with servicename to identify specific business functionality
Example: v4/call_engine_http_srv/get_call_info, among them get_call_info is the command
sdkappid
App ID obtained from the IM console
apply for access to obtain
identifier
userName must be an App administrator account for REST API calls
see App admin
usersig
password corresponding to the userName
refer to generate UserSig
random
Identify the random parameter of the current request
32-bit unsigned integer random number, value ranges from 0 to 4294967295
contenttype
Request format
The value is fixed as JSON.

Sample Request Packet

The following is a sample request packet for a video call from the server (userId: robot) to the client (userId: jack):
{
"Robot_Account":"robot", // robot userid, no heartbeat detection for robot
"CalleeList_Account":["jack"],
"Timeout":300000,
"UserData":"userdata-12345687",
"CallInfo":{
"MediaType": "Video",
"RoomId":"roomid-test",
"RoomIdType":2
},
"OfflinePushInfo": {
"PushFlag": 0,
"Title":"This is the push title",
"Desc": "This is offline push content"
"Ext": "{\"entity\":{\"key1\":\"value1\",\"key2\":\"value2\"}}"
}
}
Parameter
Description
Robot_Account
Robot ID
CalleeList_Account
Called member list
Timeout
Timeout time
CallInfo.MediaType
Call type. video call: "video". Voice call: "Audio".
CallInfo.RoomId
Room ID. Divided into Int and String two types.
CallInfo.RoomIdType
Room ID type. Int type: 1. String type: 2.
OfflinePushInfo
Offline push parameters. For details, see IM message format description

Sample Response Packet

{
"ErrorCode": 0,
"ErrorInfo": "",
"ActionStatus": "OK",
"RequestId": "Id-01f93f1a85c34d64a0e4cadb371deef8-O-Seq-997346",
"Response": {
"CallId": "35fd577d-1d10-4201-a40d-6d7316560986",
"CallResult": [
{
"Callee_Account": "jack",
"ResultCode": 0
}
]
}
}
Parameter
Description
ErrorCode
Error code. 0 indicates success, non-0 indicates failure
ErrorInfo
Error Message
ActionStatus
Request processing result. OK: processing successful; FAIL: processing failed.
RequestId
Unique request ID, returned for each request. RequestId is required for locating a problem.
Response
Call ID Call result

Input Media Stream on Server Side

TRTC server calls the stream push API to push online media streaming. See input media stream into room.
Note:
Input online media stream (StartStreamIngest) parameters for RoomIdType differ from those in server-initiated calls:
Note: Parameter interpretation for RoomIdType in server-initiated calls: 1 means Int type, 2 means String type.
Parameter interpretation for RoomIdType in input online media stream: 0 means Int type, 1 means String type.