Vertical SBX Four Port Expansion VOIP Board The Vertical SBX Expansion VOIP Board provides interface for four VOIP Phones and installs into the Basic KSU.
The VOIU expansion board can be optionally installed on an existing VoIB. It provides an additional four (4) VoIP channels.
This board is compatible with the Vertical SBX phone system.
This product was added to our catalog on Monday 30 December, 2013.