Reply To: SS7/C7 to ISDN ETSI converters 19th December 2004 at 08:11 #27977 ElieGuest Hi, I have 6E1 SS7 to ISDN Pri. I am using Groomer from Aculab since 2 years. it’s a reliable prodcut. Not so cheap, 6E1s are around 20k. Elie