Specifications
25
Specifications
IP Network Functional Requirements
1
KBps = kilobytes per second
2
The FSA Maintenance Utility can be used to increase the fixed delay retry period to up to 10
seconds point-to-point. The recommended setting is 10 seconds
Item Description
IP Address
Assignment
FSA Server and VoIP Server = Static
Station Transponder Unit and VoIP Intercom = Static
FSA Console = Uses host computer address assignment or static
Packet Type
Used
FSA Alerting = uses TCP packets only
VoIP Audio = TCP for incoming calls, UDP to broadcast outgoing calls
Network
Bandwidth
1
FSA Alerting = (peaks of 1 KBps) X (number of stations)
VoIP Server = 8 KBps per sub-net used in the system
VoIP at sub-net level = 8 KBps at sub-net endpoint
Quality of Ser-
vice (QOS)
FSA Alerting = not required
VoIP Audio = Yes, QOS must be used and set to a high value relative
to other network traffic
Fixed Network
Delay
2
FSA Alerting = 1 second max., point-to-point
VoIP Audio = less than 200 ms (<150 ms recommended)
Network Jitter FSA Alerting = 1 second max., point-to-point (Delta-sigma)
VoIP Audio = less than 200 ms point-to-point (<150 ms recommended)
Network Packet
Loss
FSA Alerting = does not apply
VoIP Audio = less than 2% (Delta sigma)
Network Packet
Duplication
FSA Alerting = does not apply
VoIP Audio = less than 2% (Delta sigma)