The Design of the Auto Switch Device for Wireless Telephone Inter-network Based on State Chart
Wu Qi Wen · Science Technology and Engineering · 2009
Wireless few routes voice communication systems are used in urgent communication area widely.But there are many problems of communication because of the different frequency and system.The telephone auto switch device programmed on status shift with sound card can offer the route for voice communication inter-system.It can increase the integrated wireless communication capability on the urgent communication condition.Actual use show that the device has automatic,manual switching function,it can switch the telephone between the inner,between the outside,between inside and outside.It meets the design requirements.