Since 1991 RF Systems has provided AT&T ISDN connectivity, ISDN terminal equipment, and on-site engineering nearly anywhere in the United States for our European and Pacific Rim clients.  

RF Systems has provided ISDN connectivity and services from the United States directly to the following foreign broadcasters: Canal + France, Canal + Belgium, Canal + Holland, Canal + Flanders, Canal + Spain, TV-2 Norway, TV-2 Denmark, TV Denmark, ORF Vienna
Fox 8 Netherlands, TV-1000/TV3, Premiere Germany, SAT-1 Germany, DSF Germany, ARD Radio, ITV Sports, BBC TV & Radio, B-Sky-B, Ch 5 London, Mentorn Films London, Eurosport, SER Radio Spain, Via Digital Spain, JSC Israel, Telepiu Italy, RAI Italy, JSB Japan, NTV Japan, NHK Japan, NTV Moscow, and Direct TV GLA. 

1) Codecs :  Musicam USA(formerly CCS Audio Products) CDQ-1000, Prima 110 & 120 

2) Encoder Algorithms :  CCS Musicam; ISO/MPEG Layer II; CCITT G.722 

3) Algorithm Modes :  Mono, Dual Mono and Joint Stereo 

4) Sampling Rates :  48Kbs or 24Kbs 

5) Bitrate :  64Kbs