Home Location Register. Contains the primary subscriber database in networks that do not satisfy Release 6 of the IMS reference.
Home Subscriber Server
A WLAN which interworks with the HPLMN without using a VPLMN.
A WLAN Access Point offering network connectivity to the public.
Home Public Land Mobile Network. The mobile network that has a billing relationship with the mobile subscriber, and is usually the one that authenticates the user and authorizes access.
Home Subscriber Server. The IMS function that contains the primary subscriber database in IMS networks that satisfy Release 6 of the IMS reference (IMS R6).