The E-TDMA-based GMH2000 fixed radio system developed by Hughes Network Systems (HNS) provides an effective local radio loop solution for the public telephone service.

休斯网络系统公司(HNS)的GMH2000固定无线系统是一个基于E - TDMA的系统，它为公用电话业务提供了最有效的无线本地环路的解决方案。

youdao

So far, facsimile is mostly carried on PSTN (Public Switched Telephone Network), which brings numerous expenses together with the service.

目前传真业务主要在公共电话网上承载，这种传真业务的使用给企业带来了巨额的支出。

youdao

So far, facsimile is mostly carried on PSTN (Public Switched Telephone Network), which brings numerous expenses together with the service.

目前传真业务主要在公共电话网上承载，这种传真业务的使用给企业带来了巨额的支出。

youdao