Metal Network Optical Network
Metal Network
There are DSL products such as ADSL2+, ADSL, ReachDSL, G.SHDSL, VDSL2.
Optical Network
There are various lineup of GPON Platform, Media Converter products.

VoIP Audio Conference
There are enterprise VoIP relevant products such as VoIP Gateway, IP-PBX software, VoIP Phone.
Audio Conference
There are Compunetix's multipoint conference systems that have scalability and flexibility.