beroNet 6400 BF64004E1 4 PRI Box (BF64004E1BOX)
The beroNet 6400 BF64004E1 4 PRI Box (BF64004E1BOX) series is a powerful and flexible hardware solution to connect ISDN (BRI, PRI) and GSM lines to any SIP based VoIP system. Find out more at voip.com.vn