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Cisco Unified IP Phone 7962G and 7942G Administration Guide for Cisco Unified Communications Manager 7.0
OL-15483-01
Chapter 7 Viewing Model Information, Status, and Statistics on the Cisco Unified IP Phone
Status Menu
Call Statistics Screen
You can access the Call Statistics screen on the phone to display counters, statistics, and voice-quality
metrics in the following ways:
• During call—You can view the call information by rapidly pressing the ? button twice.
• After the call—You can view the call information captured during the last call by displaying the Call
Statistics screen.
Note You can also remotely view the call statistics information by using a web browser to access the
Streaming Statistics web page. This web page contains additional RTCP statistics not available
on the phone. For more information about remote monitoring, see
Chapter 8, “Monitoring the
Cisco Unified IP Phone Remotely.”
A single call can have multiple voice streams, but data is captured for only the last voice stream. A voice
stream is a packet stream between two endpoints. If one endpoint is put on hold, the voice stream stops
even though the call is still connected. When the call resumes, a new voice packet stream begins, and the
new call data overwrites the former call data.
To display the Call Statistics screen for information about the last voice stream, follow these steps:
Procedure
Step 1 Press the Settings button.
Step 2 Select Status.
Step 3 Select Call Statistics.
The Call Statistics screen displays these items:
TX Retransmit Number of packets that have been retransmitted to the
expansion module
TX Buffer Full Number of packets discarded because the expansion module
was not able to accept new messages
Table 7-5 Expansion Module Statistics (continued)
Item Description
Ta b l e 7-6 Call Statistics Items
Item Description
Rcvr Codec Type of voice stream received (RTP streaming audio from codec):
G.729, G.728/iLBC, G.711 u-law, G.711 A-law, or Lin16k.
Sender Codec Type of voice stream transmitted (RTP streaming audio from codec):
G.729, G.728/iLBC, G.711 u-law, G.711 A-law, or Lin16k.
Rcvr Size Size of voice packets, in milliseconds, in the receiving voice stream
(RTP streaming audio).
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