Cisco SPA IP Phone Field Reference
Info Tab
Cisco Small Business SPA 300 Series, SPA 500 Series, and WIP310 IP Phone Administration Guide 210
B
Peer Phone Phone number of the internal phone.
Duration Duration of the call.
Packets Sent Number of packets sent.
Packets Recv Number of packets received.
Bytes Sent Number of bytes sent.
Bytes Recv Number of bytes received.
Mapped RTP Port The port mapped for Real Time Protocol traffic for the
call.
Media Loopback If the call is a loopback call, displays the loopback mode
(source or mirror) and type (media or packet). If the call
is not loopback, the field appears blank.
Decode Latency Number of milliseconds for decoder latency.
Jitter Number of milliseconds for receiver jitter.
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).
Parameter Description