Bavaria 5 computer magazine to 20.03.05

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In B5-Computermagazin today (20.03.05) against 15:50 a contribution had to be heard to safety risks with Voice of over IP. The transmission is repeated again around 20:35.
Who in Bavaria does not live can the transmission also country widely digitally over satellite or cable hear and some days probably still in the Internet after-after.
Contentwise much doubt-worth, but I was disappointed that a Cisco human being told something of the coding of the Audiostreams there about the net, but concealed that that does not support Provider so far. Or, does that know one SRTP for the connection between IP telephone and gateway in the telephone network supported?