Specifications
Line and Station Boards and Special Components 
GCA39-825 Rev 2, Issue 4/02  Page 10  Printed in the USA 
IP Network Boards 
Part Number: FXVOIP-S (12-port VoIP Network Board) 
Part Number: FXVOIP-L (24-port VoIP Network Board) 
•  The VoIP board enables a voice connection to exist through an established, site-provided 
circuit connection in a LAN or WAN data arrangement. 
•  The board converts the telephone system’s control signaling and voice traffic into IP packets 
for transport across an IP network. With this system true convergence is possible, with voice 
traffic sharing available bandwidth with other forms of packetized information like video and 
data. 
•  The Current Comdial system-to-system networking scheme dictates that the hub system 
contains at least one VoIP board for each node participating in the IP telephony arrangement. 
•  Each node system must contain at least one VoIP board to communicate with the hub system. 
•  A synchronization card is not required for the operation of a VoIP connection. 
•  Each VoIP board is assigned its own IP address, subnet mask, and access to a default gateway 
to sustain a valid IP connection across a LAN or WAN. 
•  Network Quality of Service issues are very important to a properly functioning VoIP board. 
VoIP technology is sensitive to packet delay, loss, or corruption. IP precedence for voice 
packets, proper bandwidth requirements, and other QoS issues must be maintained by the 
customer’s IT specialist. 










