Yealink SIP VP-T49G User Manual page 260

User Guide for SIP VP-T49G IP phone
Why can't I record calls?
Ensure that the USB flash driver is inserted to the USB port on the phone.

Ensure that the USB flash driver inserted is compatible with the phone. For more

information, contact your reseller.
Check if there is enough free space (greater than 2 minutes) on the USB flash driver.

Tap ->USB->Storage Space.
How to export PCAP trace?
We may need you to provide a PCAP trace to help analyze your problem.
To export a PCAP trace via web user interface:
1. Click on Settings->Configuration.
2. Enter the desired values in the Packet Capture Count, Packet Capture Clip Bytes,
Pcap Filter Type and Packet Filter String fields.
Packet Capture Count – It configures the count of the number of packets to capture.
You can set a value between 1 (least) and 100 (most). The default level is 15.
Packet Capture Clip Bytes – It configures the number of bytes (in KB) of the packet
to capture. You can set a value between 100 (least) and 1024 (most). The default
level is 1024.
Pcap Filter Type – It configures the filter type of the packet to capture. You can set to
Custom, SIP or H245 or H225, RTP . The default value is Custom.
Packet Filter String – It customizes the packet filter string. If it is left blank, the IP
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