... GSM optional2. Ademco contact ID through GSM3. Programme the phone numbers directly on the panel4. LCD and blue back-up light, all ... . 85 event log about arming, disarming, and alarming. When alarming, the time, zone number and detector number could be viewable on ... : auto dial by GSM module, auto send out short message by GSMEnglish voice prompt for every stepOther function is the same as the sn2300