... wireless home gsm alarm system, burglar gsm alarm system, PTSN GSM alarm system, auto-dial gsm alarm, burglar gsm alarm, alarm, Land line and GSM Alarm system, wireless gsm, camera gsm alarm1 ... , the user can listen in, speak, sound siren, disarm remotely from users phone.7). 6 groups timed auto arm/disarm, Away ... in, speak, arm, disarm, or turn on/off the siren from a remote phone