ip电话软件speakfs 7.6a版本，GSM, ADPCM, LPC, and LPC-10压缩和多种加密算法 -speakfs ip phone software version 7.6a, GSM, ADPCM, LPC, and LPC-10 compression and multiple encryption algorithm

ip电话软件speakfs 7.2版本，GSM, ADPCM, LPC, and LPC-10压缩和多种加密算法,ip phone software speakfs 7.2 version, GSM, ADPCM, LPC, and LPC-10 compression and a variety of encryption algorithm

一种通话加密的方式源码，手机加密通话软件，通过GSM网络的CSD信道传输数据，与 VOIP不同，无须后台就可以实现点对点呼叫。-The way a call encryption source code, phone call encryption software, through GSM CSD network channel transmission of data, and VOIP is different from point to point can be achieved wit