Nortel BCM GATM4 - 4 Port Trunk w/Caller ID (NT5B44B)

Nortel BCM GATM4 Features

• The global analog trunk media bay module (GATM4) provides an interface for four analog public switched telephone network (PSTN) lines
• Supports both pulse and tone dialing, as well as caller ID and disconnect supervision in selected markets throughout the world

Compatibility

• The Nortel BCM GATM4 is compatible with the BCM 200/400 Main Unit, BCM 400 Expansion Unit, BCM 450 Main Unit, BCM 450 Expansion Unit and BCM 50 Expansion Unit