The APVI-2E1 H/W card supports the digital E1/T1 interface for maximum 60 voice channel and can be equipped on midrange VoiceFinder VoIP gateway series of AddPac Technology.
The digital 2E1 voice module can interface to PBX directly via RJ-45 E1/T1 trunk interface supporting ISDN-PRI, MFC-R2, DTMF-R2 signaling protocols.
