Notice of 160 crpc

i have received the notice of section160 crpc. one application is filed by the complainant to launch a FIR against me. Police has given notice under section 160crpc. but on given date i am out of station. i have sent an sms to psi to give me new date. is it compulsory to attend on the date given in notice. what should i do as i am not present on the date mentioned in the notice. will sending sms to psi for new date is suffice.