Can anyone help with Esp8266

Hi everyone....
i am working with esp 8266. i and receiving data serially on Esp 8266 using soft serial and then send it to UDP but when i try to send command through udp then Esp receives it sometimes and sometimes it don't receive.....Please can anyone tell then we can receive data on Esp8266 Serially and through UDP at the same time and if not then can anyone suggest any solution.....
Thank You