Cisco 7912G User Manual download pdf (Page 118)

Chapter 7 Troubleshooting the Cisco Unified IP Phone

Using the nptcap Tool

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Cisco Unified IP Phone Administration Guide for Cisco Unified CallManager 5.0 (SIP), Cisco Unified IP Phones

OL-8131-01

Note If you want to collect information from more than one Cisco Unified IP Phone,

Cisco recommends that you store information in a separate listen-port.log file for

each phone. If you store all information in a single file, it can be difficult to

identify which messages belong to which phones. To generate separate

listen-port.log files, configure each phone using the LCD screen on the phone. For

each phone, use the Nprintf parameter in LCD screen to specify a unique port

number on the server to which information will be sent. Then, run prserv.exe

multiple times, once for each phone from which you want to collect information.

Run each instance of preserv.exe in its own command window. For each instance,

make sure to specify a port number that corresponds to a port number in a Nprintf

parameter.

Using the nptcap Tool

The nptcap tool can help you to identify network problems that can degrade the

quality of conversations over the Cisco Unified IP Phone 7905G and 7912G. If

you have an account on CCO, you can download the nptcap.zip file from this

URL:

http://www.cisco.com/cgi-bin/tablebuild.pl/ip-7900ser

The nptcap.zip file contains the nptcap tool and a Readme file that describes the

tool in detail.

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Cisco 7912G User Manual Page 118