How the matter PHS
Users questions:
Experts answer: "Little Smart" wireless local call (PersonalaccessSystem) referred to as PAS, is a new type of personal wireless access system. It uses advanced micro-cellular technology, micro-cellular base station through the wireless coverage, the client (ie, PHS phones) wirelesslyWay to access local telephone networks, the traditional sense of the fixed phone is no longer fixed in one position to the wireless network coverage in the context of free movement use anywhere, anytime calls, dial local and domestic and international calls. As the system is 32KADPCM clear voice encoding, voice quality close toNormal fixed telephone. Transmit power level low "Little Smart" mobile phone transmit power of only 10MW, prolonged use, no discomfort, will not have any impact on the human body, is truly green cell phone. Long standby time, "Little Smart" mobile phone batteries use lithium batteries, standby time up to 500-800 smallTime, up 8 hours straight time fairy tale, under normal circumstances could be used for 4-5 days without charge and does not need the second battery. More functions of PHS system officially opened, with caller ID, call forwarding, call waiting, three-way calling, call recording and other fixed phones with new featuresUser-friendly. Reasonable price, smart city people a new choice of PHS's phone calls and fixed-line costs the same, one-way fee. PHS "Little Smart" is an international advanced technology by the Chinese Fu, personal communication in 1996, the new invention of PHS is a technological advance, it will commission ofInnovative radio access technology used in traditional fixed telephone transmission and exchange networks, cost-effective use of existing resources to solve the fixed network of rich personal mobile communication problems. PAS and the integration of IP technology can not only meet the user requirements of the development of various communication services, but also for the existing communication network to the futureNetwork development and evolution of the letter opened the road. PHS is an international advanced personal communications technology, which uses advanced micro-cellular technology, can provide large traffic, high density of services, with dynamic channel allocation, which can accommodate more than 20,000 per square kilometer of the user; provide high quality of transmission and voice quality, securityClose performance, safety and reliability. Meanwhile, wireless local telephone service processing ability, and system is fully completed, not only to provide fixed phones have all the functions of (Muqian can provide no answer calls and forward calls Xianshi function), Haike value-added services to provide Duozhong, such as: Gaosushuoju Internet, 110 and 120 emergency system positioning function, multimedia services, short message service, C-mode services. PHS is a new type of personal wireless access system, which uses advanced micro-cellular technology, to wirelessly access the local telephone network, fixed telephone complement and extension; PHS good-security, securityReliable and can be carried within the network free to use, make and receive local calls anytime, anywhere, mobile phones, domestic and international calls; PHS one-way fees, rates consistent standard and fixed-line, with economic benefits, green health, sophisticated fashion, and many other features. All-digital wireless PHSTechnologies, confidentiality and strong, can not Daoda; with 32K speech coding, can support voice and data services, voice clarity, can be comparable to wireline telephone, the future can also support high-speed data transmission services; phone lightweight, stylish, powerful, can support data communications; It uses micro-cellular technology, the client(That of PHS handsets) to wirelessly access the local telephone network so that the traditional fixed-line telephone is no longer fixed in one location, the wireless network coverage can be free to move to use, anytime calls, dial the local and domestic and international calls. Hua Fei's largest economy is characterized by the use of flexibility. HealerThrough the following features: (1) mobile phone: The number is 7 or 8 digits (with local telephone numbers remain the same), users within the network and can thus answer the call, dial local phone, mobile phones, domestic and international long distance calls . (2) Economic benefits: one-way fares, answer the phone for free, usingConsistent with the fixed telephone fee standards, the first 3 minutes local call 0.20 yuan, 0.10 yuan per minute after the domestic long distance 0.07 yuan per 6 seconds, the domestic IP phone per minute 0.30 yuan, 0.08 yuan each peer text messaging, so the price of fixed telephone users to enjoy mobile phoneService. (3) green and healthy: only 10 mW transmit power, it does no harm to human body, known as a new generation of "green healthy cell phones." Users can rest assured to use, do not have to worry about electromagnetic radiation. (4) clear sound: The 32KADPCM speech coding, and coding the same way as fixed telephone, smallInformed within the network coverage and fixed-line voice quality can be comparable. (5) fully functional: in addition to existing fixed phone with basic function, but also provide a variety of functions and services such as caller ID, text messages, call forwarding, high speed internet access.