Before You Begin
Make sure that SIP Transport parameter of the extension is set to TLS.
Procedure
Step 1
In the phone web page, select
Admin Login
>
Advanced
>
Voice
>
Ext(n)
.
Step 2
In the
Call Feature Settings
section, in the
Secure Call Option
field, choose
Optional
to retain the current
secure call option for the phone, or
Required
to reject nonsecure calls from other phones.
Step 3
Click
Submit All Changes
.
Capture Packets
Procedure
Step 1
On the phone web page, select
Admin Login
>
Advanced
>
Info
>
Debug Info
.
Step 2
In the
Problem Report Tool
section, click the
Start Packet Capture
button in the
Packet Capture
field.
Step 3
Choose
Al
to capture all packets that the phone receives and select
Host IP Address
to capture packets only
when source or destination is the IP address of the phone.
Step 4
Make phone calls to and from the selected phone.
Step 5
When you want to stop the packet capture, click
Stop Packet Capture
.
Step 6
Click
Submit
.
You see a file in the
Capture File
field. This file contains the filtered packets.
Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide
187
Capture Packets
Summary of Contents for 8851
Page 23: ...P A R T I About the Cisco IP Phone Technical Details page 9 Cisco IP Phone Hardware page 21 ...
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Page 36: ...Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide 20 USB Port Information ...
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Page 168: ...Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide 152 XML Services ...
Page 204: ...Cisco IP Phone 8800 Series Multiplatform Phones Administration Guide 188 Capture Packets ...
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