For 400 calls is no stranger to the business enterprise for 400 calls only to enhance their market share strength, improve brand position, the only unified but also business outreach numbers. But major carriers launched 400 calls different, 400 calls, so for a wide variety of 400 calls that you understand it? First, what is the difference between 400 and 800 phone calls is? A: The 800 free phone calling, reverse charge; 400 phone calls a calling allotments City, Henan 400 phone price, called allotments long calls. 800 landline phone can only be used, but 400 calls using a mobile phone, telephone, PHS can call. ps: 400 phone uses the calling and called pay-sharing way, pay the city calls by the calling party and the called party to pay long distance. Second, the 400 could not get through, which has several situation? A: 1) number is busy or unreachable (arrears, off, out of service, the phone is broken, etc.); 2) Bind wrong number. Part of the area code plus the phone number required; 3) call waiting time is set too short, the general need to set up 15 seconds or more, but all the total number of calls waiting time is not more than 60 seconds; 4) 400 Number of arrears (will hear less Fees tone); 5) in the Blacklist caller, or set up a whitelist but is not included in this calling (will not be entitled to hear the dial tone); 6) binding code is set to answer / can not answer the region; 7) to answer period setting error. Individuals can handle 400 phone? A: I personally can not handle 400 calls. Because 400 calls for business customers nationwide unified customer service, sales hotline. 400 business applications more stringent and formal, in fact, also benefited from the business owners and consumers. To make 400 calls to more formal use. According to China Unicom stipulates that individuals can not handle 400 calls, 400 calls Henan presentation, business or company must provide a business license and a copy of the order to give managers handle; For individual business for 400 service, it must provide a business license, legal identity card. At the same time, a copy must be stamped with the official seal. A hard copy may be used to determine and ensure that your ownership of the 400 calls. Individual agents who claim that the documents do not need the information, then such behavior is not in line with China Unicom and the relevant state law! Similar to 400 phone numbers of unknown origin, most overdue renewals reselling numbers, at any time direct carrier may be deactivated when the investigation will bring you a lot of impact and losses, more harm than good! Henan 400 Phone Price | Zhengzhou shark network (Online) | 400 telephone provided by the Network Technology Co., Ltd., Zhengzhou shark. Zhengzhou sharks Network Technology Co., Ltd. (www.shayuweb.com) is a leader in Zhengzhou, technical cooperation over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Sharks network leadership in Zhengzhou with the staff warmly welcome all inquiries negotiations to create the Zhengzhou shark network better future.