They are the people who sell the Lantastic network operating system. Yes if hardware is. You can buy a premade phone system, or use their Visual Voice application to create your own system any way you'd like. No loss, but no amplification. Plexus system grows to 128 ports.
Unified messaging is available.
No loss, but no amplification. The volume can be increased on individual trunks. They are now supporting Voice Over IP Telephony, and now have Unified Massaging on their voice processing system. They have a new Wireless Interface Card, which integrates the Orbit 1.9 Wireless System with the Millenium system. The cordless phones allow users the same functions as on their desk phone, including Caller ID and Message Waiting.