Cisco SPA301 User Manual

Cisco SPA IP Phone Field Reference
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Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 241
A
Round Trip Delay Number of milliseconds for delay in the RTP-to-
RTP interface round trip.
End System Delay Number of milliseconds for delay in the internal
round trip within the reporting endpoint.
Packets Lost Number of packets lost.
Packet Error Number of invalid packets received.
Loss Rate The fraction of RTP data packets from the source
lost since the beginning of reception. Defined in
RFC-3611—RTP Control Protocol Extended
Reports (RTCP XR).
Discard Rate The fraction of RTP data packets from the source
that have been discarded since the beginning of
reception, due to late or early arrival, under-run or
overflow at the receiving jitter buffer. Defined in
RFC-3611—RTP Control Protocol Extended
Reports (RTCP XR).
Burst Duration The mean duration, expressed in milliseconds, of
the burst periods that have occurred since the
beginning of reception. Defined in RFC-3611—RTP
Control Protocol Extended Reports (RTCP XR).
Gap Duration The mean duration, expressed in milliseconds, of
the gap periods that have occurred since the
beginning of reception. Defined in RFC-3611—RTP
Control Protocol Extended Reports (RTCP XR).
Parameter Description

Cisco SPA301 Specifications

General

Brand	Cisco
Model	SPA301
Category	IP Phone
Language	English