The main difference with the advantages of Shunde, 400 calls and 800 free calls to say before Shunde 400 calls, to begin with mention: know 800 free calls, probably a reference to this, you may very well, in fact, you may have seen before. This article is to say what the main differences and advantages of Shunde 400 and 800 toll-free phone is to be specifically addressed for the difference between these two questions:?. 400 is a calling, just to pay the city calls, long distance pay when called fee-sharing payment services, fixed and mobile phones can call, the national network, according to regional transit, the lowest 0.1 yuan per minute, 400; and 800 is not the case, it is the toll free service, when you make calls, can only be fixed, not cell phone to call 800 when you receive a call, an application must first be transferred back to answer, and local telephone access is 0.3 yuan per minute, long-distance access is 0.75 yuan per minute. The latter two are compared, you will find: 800 free phone call saying that, in fact, the cost of pricey, but actually a lot cheaper Shunde 400 phone 400 calls since the emergence of Shunde, they rarely see 800 phone, just because. It is an upgraded version of the 800, for SMEs, which is very suitable tariff advantage: When the 400 calls appear Shunde, the phone can call the scope has been expanded to a nationwide application, mobile phone users has grown to 670 million person, and free phone calls than 800 save half in some areas, you can also save up eighty percent as invalid call, short words are often said to reduce the harassment is also reduced, greatly improve the efficiency of the office, networking When, and very quickly, now has set up a regional transit, the country can only use one number, a very convenient and established this switched network:. http:.. / / www 4 0 0 3 6 5 net / content / 2 5 1 .html