ECOTEL ISDN is developed by VIERLING COMMUNICATIONS. The most popular version of this product among our users is 5.2. The names of program executable files are ECO_CON_D.exe, ECO_CON_E.exe. The product will soon be reviewed by our informers.
You can check PC-Telephone, CGW-I, ISDNphone and other related programs like Billion ISDN Utility at the "download" section.
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