Adding Elins To The Location Information Server - AudioCodes E-SBC User Manual

CHAPTER 16 Services
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For a Skype for Business client that moves inside the corporate network such as a soft phone
on a laptop that connects wirelessly to the corporate network, Skype for Business can
determine which subnet the phone belongs to or which WAP / SSID is currently serving the
soft-client.
4. The LIS queries the published locations for a location and if a match is found, returns the
location information to the client. The matching order is as follows:
● WAP BSSID
● LLDP switch / port
● LLDP switch
● Subnet
● MAC address
This logic ensures that for any client that is connected by a wireless connection, a match is first
attempted based on the hardware address of its connected access point. The logic is for the
match to be based on the most detailed location. The subnet generally provides the least detail.
If no match is found in the LIS for WAP BSSID, LLDP switch / port, LLDP switch, or subnet,
the LIS proxies the MAC address to an integrated Simple Network Management Protocol
(SNMP) scanning application. Using SNMP may benefit some organizations for the following
reasons:
● LLDP is not supported by Skype for Business so this provides a mechanism for soft
phones to acquire detailed location information.
● Installed Layer-2 switches may not support LLDP.
If there is no match and the LIS cannot determine the location, the user may be prompted to
manually enter the location. For example, the client may be located in an undefined subnet, at
home, in a coffee shop or anywhere else outside the network. When a user manually provides a
location, the location is mapped based on the MAC address of the default gateway of the client's
network and stored on the client. When the client returns to any previously stored location, the
client is automatically set to that location. A user can also manually select any location stored in
the local users table and manage existing entries.

Adding ELINs to the Location Information Server

As mentioned in the previous section, the administrator needs to populate the Location Information
Server (LIS) database with a network wire map, which maps the company's network elements to
civic addresses. Once done, it can automatically locate clients within a network. You can add
addresses individually to the LIS or in a batch using a comma-separated value (CSV) file containing
the column formats for the network elements, as listed below:
■ Wireless access point:
<BSSID>,<Description>,<Location>,<CompanyName>,<HouseNumber>, <HouseNum-
berSuffix>,<PreDirectional>,<StreetName>,<StreetSuffix>,<PostDirectional>,
<City>,<State>, <PostalCode>,<Country>
■ Subnet:
<Subnet>,<Description>,<Location>,<CompanyName>,<HouseNumber>, <HouseNum-
berSuffix>,<PreDirectional>,<StreetName>, <StreetSuffix>,<PostDirectional>,
<City>,<State>,<PostalCode>,<Country>
■ Port:
<ChassisID>,<PortIDSubType>,<PortID>,<Description>,<Location>,<CompanyName>,
<HouseNumber>, <HouseNumberSuffix>,<PreDirectional>,<StreetName>,
<StreetSuffix>,<PostDirectional>,<City>,<State>,<PostalCode>,<Country>
■ Switch:
Link Layer Discovery Protocol-Media Endpoint Discovery (LLDP-MED) chassis ID
and port ID
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