User manual

APS User Manual
149
Discovery services defined in this class include media-type-specific network
layer policy discovery.
LLDP-MED
Communication
Endpoint (Class III): The LLDP-MED Communication Endpoint (Class III) definition is applicable to
all endpoint products that act as end user communication appliances
supporting IP media. Capabilities include all of the capabilities defined for
the previous Generic Endpoint (Class I) and Media Endpoint (Class II) classes,
and are extended to include aspects related to end user devices. Example
product categories expected to adhere to this class include (but are not
limited to) end user communication appliances, such as IP Phones, PC-based
softphones, or other communication appliances that directly support the
end user Discovery services defined in this class include provision of location
identifier (including ECS / E911 information), embedded L2 switch support,
inventory management.
LLDP-MED
Capabilities: LLDP-MED Capabilities describes the neighbourhood unit's LLDP-MED
capabilities. The possible capabilities are:
1. LLDP-MED capabilities
2. Network Policy
3. Location Identification
4. Extended Power via MDI – PSE
5. Extended Power via MDI – PD
6. Inventory
7. Reserved
Application Type: Application Type indicating the primary function of the application(s)
defined for this network policy, advertised by an Endpoint or Network
Connectivity Device. The possible application types are shown below.
1. Voice - for use by dedicated IP Telephony handsets and other similar
appliances supporting interactive voice services. These devices are typically
deployed on a separate VLAN for ease of deployment and enhanced security
by isolation from data applications.
2. Voice Signalling - for use in network topologies that require a different
policy for the voice signalling than for the voice media.
3. Guest Voice - to support a separate limited feature-set voice service for
guest users and visitors with their own IP Telephony handsets and other
similar appliances supporting interactive voice services.