GET /v0.1/capi/(str:project_id)
GET /v0.1/sapi/call
GET /v0.1/sapi/call/(str:call_id)/detail
POST /v0.1/sapi/call/(str:call_id)/allow
POST /v0.1/sapi/call/(str:call_id)/drop
POST /v0.1/sapi/call/(str:call_id)/switch
GET /v0.1/sapi/webrtcclient/(str:webrtcclient_id)/detail
POST /v0.1/sapi/webrtcclient/(str:webrtcclient_id)/remove
POST /v0.1/sapi/webrtcclient/create
POST /v0.1/sapi/webrtcclient/list