Trains are fitted with air conditioning, closed-circuit cameras, and emergency intercom systems. All trains are fitted with air conditioning, closed-circuit cameras, and emergency intercom systems. The handset includes one-touch voicemail, an intercom, and baby monitoring features. There are two major benefits of a wireless intercom system over the traditional wired intercom. They rang the buzzer, which connected them to Abath through an intercom. Every vehicle was equipped with a 10RT-12 radio and a TPU-47 intercom system. Noriaki arrives, threatening them over the intercom and banging on the door. The upgrade includes, among other things, new intercom and new navigation and positioning systems. Some helmets provide additional conveniences, such as ventilation, face shields, ear protection, intercom etc. All ASU-85s were provided with an R-113 radio and an R-120 intercom system. TCS is used by the "intercom" (ICP) and "cordless telephony" (CTP) profiles. As the 1A1 systems became commonplace, requirements for intercom features grew. Also fitted is an R-123M radio set and an R-124 intercom. All television equipment stopped functioning except for one camera and the intercom. They meet via an apartment block intercom system.