This Technical Specification specifies a protocol for point-to-point transmission of alarms and faults@ as well as communications monitoring@ between a Supervised Premises Transceiver and a Receiving Centre Transceiver using the Internet protocol (IP). The protocol is intended for use over any network that supports the transmission of IP data. These include Ethernet@ xDSL@ GPRS@ WiFi@ UMTS and WIMAX. The system performance characteristics for alarm transmission are specified in EN 50136-1. The performance characteristics of the supervised premises equipment should comply with the requirements of its associated alarm system standard and shall apply for transmission of all types of alarms including@ but not limited to@ fire@ intrusion@ access control and social alarms. Compliance with this Technical Specification is voluntary.