Yealink SIP-T48G Administrator's Manual page 422

Administrator's Guide for SIP-T2_Series_T4_Series IP Phones
Inventory Management -- provides a means to effectively manage IP phones and
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their attributes such as model number, serial number and software revision.
TLVs supported by IP phones are summarized in the following table:
TLV Type
Mandatory TLVs
Optional TLVs
IEEE Std 802.3
Organizationally
Specific TLV
TIA
Organizationally
Specific TLVs
408
TLV Name
Chassis ID
Port ID
Time To Live
End of LLDPDU
System Name
System Description
System Capabilities
Port Description
MAC/PHY
Configuration/Status
Media Capabilities
Description
The network address of the IP phone.
The MAC address of the IP phone.
Seconds until data unit expires.
Marks end of LLDPDU.
Name assigned to the IP phone.
The default value is "yealink".
Description of the IP phone.
The default value is "yealink".
The supported and enabled capabilities
of the IP phone.
The supported capability is Telephone.
The enabled capability is Telephone by
default.
Description of port that sends data unit.
The default value is "WAN PORT".
Duplex and bit rate settings of the IP
phone.
The Auto Negotiation is supported and
enabled by default.
The advertised capabilities of PMD.
Auto-Negotiation is:
100BASE-TX (full duplex mode)
100BASE-TX (half duplex mode)
10BASE-T (full duplex mode)
10BASE-T (half duplex mode)
1000BASE-T (full duplex mode).
The MED device type of the IP phone and
the supported LLDP-MED TLV type can be
encapsulated in LLDPDU.
The supported LLDP-MED TLV types are:
LLDP-MED Capabilities, Network Policy,
Extended Power via MDI-PD and