Configuring Advanced Features
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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
TLV Name
Description
Mandatory TLVs
Chassis ID
The network address of the IP phone.
Port ID
The MAC address of the IP phone.
Time To Live
Seconds until data unit expires.
End of LLDPDU
Marks end of LLDPDU.
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
Summary of Contents for Yealink SIP-T28P
Page 1: ......
Page 28: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 12 ...
Page 76: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 60 ...
Page 226: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 210 ...
Page 238: ...Administrator s Guide for SIP T2xP and SIP T19P IP Phones 222 ...
Page 253: ...Configuring Security Features 237 ...
Page 265: ...Resource Files 249 ...
Page 279: ...Troubleshooting 263 ...