private void Dial(object obj) { var master = obj as WorkerDto; if (master is null) { return; } ContextSaver.CrmContext.SipPhone = master.Phone; ContextSaver.CrmContext.Call(); Thread.Sleep(500); var callUniqueId = _requestService.GetActiveCallUniqueId(); if (!string.IsNullOrEmpty(callUniqueId)) { _requestService.AddCallToRequest(_requestId, callUniqueId); } }