... as one of the 8 zone types including NORMAL, STAY, INTELLIGENT, EMERGENCY, CLOSED, HELP SENIOR, WELCOME and CHIME. l ... Maximum length of voice message is 10 seconds.l Telephone (phone) long-distance telephone control for arming, disarming, monitoring, remote ... with either dual-band, triple-band, quad-band GSM/GPRS industrial graded module, stable and reliable. Home gsm security system with LCD display