VDG-S2004, E1/T1/PRI VoIP Gateway, Supports Secondary Development #145347
Support 4 Configurable E1/T1/J1 Ports, up to 120 Concurrent Calls
Simple Installation and Management with easy-to-navigate Web GUI
TLS and SRTP Security Encryption Technology to Protect Calls and Accounts
Compatible with Various ISDN PBX, IP-PBX, and Softswitch