Procedure
Step 1
Press Applications .
Step 2
Select Admin settings > Status > Call statistics.
Step 3
To exit the Call Statistics screen, press Exit.
Call Statistics Fields
The following table describes the items on the Call Statistics screen.
Table 38: Call Statistics items for the Cisco Unified Phone
DescriptionItem
Type of received voice stream (RTP streaming audio from codec): G.729,
G.722, G.711 mu-law, G.711 A-law, and iLBC.
Receiver codec
Type of transmitted voice stream (RTP streaming audio from codec): G.729,
G.722, G.711 mu-law, G.711 A-law, and iLBC.
Sender codec
Size of voice packets, in milliseconds, in the receiving voice stream (RTP
streaming audio).
Receiver size
Size of voice packets, in milliseconds, in the transmitting voice stream.Sender size
Number of RTP voice packets that were received since voice stream opened.
This number is not necessarily identical to the number of RTP voice
packets that were received since the call began because the call
might have been placed on hold.
Note
Receiver packets
Number of RTP voice packets that were transmitted since voice stream
opened.
This number is not necessarily identical to the number of RTP voice
packets that were transmitted since the call began because the call
might have been placed on hold.
Note
Sender packets
Estimated average RTP packet jitter (dynamic delay that a packet encounters
when going through the network), in milliseconds, that was observed since
the receiving voice stream opened.
Avg jitter
Maximum jitter, in milliseconds, that was observed since the receiving voice
stream opened.
Max jitter
Number of RTP packets in the receiving voice stream that were discarded
(bad packets, too late, and so on).
The phone discards payload type 19 comfort noise packets that Cisco
Gateways generate, because they increment this counter.
Note
Receiver discarded
Cisco IP Phone 8800 Series Administration Guide for Cisco Unified Communications Manager
214
Cisco IP Phone Status
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