The Le interface is used by the external LCS client to retrieve location information from the LCS server. Signalling on
this interface may use the OMA Mobile Location Protocol (MLP) and Open Service Access Application
Programming Interface (OSA-API),
Lgd is the interface that is used by the GMLC to convey a location request to the SGSN currently serving a particular
target UE whose location was requested. The interface is also used by the SGSN to return location results to the GMLC.
This interface is applicable only for an SGSN supporting EPS based interfaces and protocols. The Lgd interface is
defined in TS 29.172.
In GERAN, a SMLC may support the Lp interface to enable access to information and resources owned by another
Signalling on this interface uses BSSAPP-LE, which is defined in TS 49.031, and SMLCPP, which is specified in
In UTRAN, the SMLC functionality is included in SRNC and the Iur interface shall include the Lp interface type of