What is the difference between 400 VoIP and 400 phone number? Which one is suitable as a business 400 phone?

The difference between 400 VoIP and 400 phones can be considered from the following aspects:1. Stability: a phone that is unstable, often disconnected or unable to get through, undoubtedly fatal for the enterprise. 400 VoIP: 400 VoIP quality and reliability has increased dramatically in recent years, but the Internet is not as stable as the PSTN

The traditional telephone network is still an undeniable fact. 400 VoIP quality of service may be affected by other traffic on your company's intranet, and of course, if the network is subjected to a DoS blocking service attack, or a hardware failure and paralyzed, you will also lose your company's external phone service at the same time. And as of now, 400 VoIP is almost always based on small platforms, which are notoriously unstable. And because of the major festivals, the country will strengthen the information security control, 400 network phone will be suspended during the major festivals. These will undoubtedly bring irreparable losses to the enterprise. Traditional 400 phone: As a result of large-scale communications equipment and technology investment and support, where the 400 phone platform (note that there is a small platform of traditional 400 phone.) Stability can be very good guarantee, there will be no disconnection or holiday downtime and other issues. 2, voice quality: 400 network phone: users will still occasionally experience voice quality problems, such as echo or "repeat say good many times" problem, this is a "half-duplex effect" (you talk to each other at the same time will not be able to hear each other said, radio-like situation), in very good condition. This is a kind of "half-duplex effect" (when you talk to the other party at the same time, you will not be able to hear what the other party is saying, similar to the situation of the radio), and in a very small number of cases, there will also be disconnected. Traditional 400 phone: Where the use of a large platform of 400 phone, voice quality due to the presence of telephone lines, can be guaranteed that there will be no problem. 3、Security: 400 network phone: and other IP seals through the Internet have the same security risks. Even with security monitoring services, can not guarantee that the call is not recorded by a third party and eavesdropping, and is very easy to be tied up by the current security company, you need to continue to pay the monthly protection fee every month.　　Traditional 400 phone: as long as the use of a large platform of 400 phones, security is completely unquestionable, call information is completely supervised by the national operator, do not have to worry about the leakage of confidential business information.