Abstract: A fire alarm apparatus (10), comprising: a smoke detector (26), for detecting smoke (44), providing fire indication; a sound alerting component (64), for sounding a sound alert upon the fire indication; a cellular telephony assembly (40), for initiating a cellular communication with another party upon the fire indication; a locating component (28), for providing information on a location of the fire alarm apparatus (10), and transmitting the information to another party via the cellular communication; a switching circuitry (20), for reading from the smoke detector (26) the fire indication, and activating the sound alert, and the cellular communication upon fire indication; a connection to a power source of a building and a battery (24) for permanently powering the fire alarm system; a microphone (66), an amplifier and a speaker (64), for allowing talking via the cellular telephone assembly with people trapped in fire near said alarm apparatus.