Yealink SIP-T2xP Administrator's Manual page 203

their attributes such as model number, serial number and software revision.
TLVs supported by IP phones are summarized in the following table:
TLV Type
Chassis ID
Port ID
Mandatory TLVs
Time To Live
End of LLDPDU
System Name
System Description
Optional TLVs
System Capabilities
Port Description
IEEE Std 802.3
MAC/PHY
Organizationally
Configuration/Status
Specific TLV
TIA
Media Capabilities
Organizationally
Specific TLVs
Network Policy
TLV Name
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 capabilities are Bridge,
Telephone and Router.
The enabled capabilities are Bridge and
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), or
10BASE-T (half 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
Inventory.
Port VLAN ID, application type, L2 priority
Configuring Advanced Features
Description
187