Specifications

Administrator’s Guide for SIP-T2xP IP Phones
170
TLV Type
TLV Name
Description
Optional TLVs
System Name
Name assigned to the IP phone.
The default value is “yealink”.
System Description
Description of the IP phone.
The default value is “yealink”.
System Capabilities
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.
Port Description
Description of port that sends data unit.
The default value is “WAN PORT”.
IEEE Std 802.3
Organizationally
Specific TLV
MAC/PHY
Configuration/Status
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).
TIA
Organizationally
Specific TLVs
Media Capabilities
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.
Network Policy
Port VLAN ID, application type, L2 priority
and DSCP value.
Extended
Power-via-MDI
Power type, source, priority and value.
Inventory –
Hardware Revision
Hardware revision of the IP phone.
Inventory – Firmware
Revision
Firmware revision of the IP phone.