The existing 8- 1 1 digit number resources beginning with 950 are upgraded versions of 400 and 800 telephones. In comparison. Lower tariffs and more powerful functions. As an enterprise, using the national unified telephone to enhance the corporate image has added a new and affordable way. 400 mobile phone adopts two-way charging standard. The telephone bill is very expensive. You can't dial the phone yet. Add 950 national unified telephone resources. Free binding, multi-line call, never busy. No calls, long-distance local calls, incoming call firewall. . . . Powerful function and favorable price. Enhance corporate image. For details, please consult ID qq. The best quality products, the best price and the best service!