Avaya IP Line User Manual Page 240

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Page 240 of 910 Features
553-3001-365 Standard 4.00 August 2005
Three-port switch support
The IP Phone three-port switch does not interpret the 802.1Q header. Instead,
the three-port switch allows the packets to pass through unmodified. Packet
priority is achieved on a per-port basis. IP Phone port traffic has a higher
priority than traffic for the Ethernet port to which the PC is connected.
An IP Phone can receive broadcast frames from a PC’s data VLAN. Any
broadcast storm packets from the data network are seen by the IP Phone.
However, this type of traffic does not adversely affect the IP Phone.
Data Path Capture tool
IP Line 4.5 contains the Data Path Capture tool, a built-in utility used to
capture audio information. This tool helps debug audio-related gateway
problems and allows after-the-fact analysis of what the user heard.
The Data Path Capture process is controlled by a set of CLI commands.
IP Phone firmware
Minimum firmware version
Refer to the ReadmeFirst documentation to determine the IP Phone minimum
firmware (F/W) versions supported by IP Line 4.5.
Firmware download
The firmware files for the IP Phones are downloaded from OTM 2.2 or
Element Manager to the node Master. They are compressed as they are stored
on the node Master card’s /C: drive. File compression reduces the firmware
file to less than 900 K. However, the /C: drive Flash disk space is limited on
the ITG-P 24-port line card.
The IP Phone normally does not have to be pre-loaded with the firmware file
because, during normal operation, the IP Phone’s firmware is automatically
upgraded as part of the registration to the LTPS. If the firmware cannot be
upgraded, perhaps due to firewall restrictions, then the IP Phone must be
upgraded with the current firmware version before distributing the IP Phone.
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