A system, method process and apparatus is presented for interfacing digital and audio communications in a security system, comprising, a control panel having one or more first radio receiver/transceivers and one or more remote alarm sensors coupled to the control panel and the control panel receiving one or more digital reports from each one or more remote alarm sensors, a wireless interface device having one or more second radio receiver/transceivers for receiving the digital reports from the control panel unit and for establishing two-way voice communication between the control panel and the wireless interface unit, one or more telephone units coupled to the wireless interface device for communicating with the wireless interface unit and at least one POTS and/or IP network modem device coupled to the wireless interface device, an IP network, wherein, the wireless interface device includes a communication processing unit for transmitting one or more digital reports to a monitoring service via the POTS and/or IP network and for establishing two-way voice communication between the control panel and the monitoring service via a voice channel connection.