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S

SA-WLAN

Seamless Access WLAN.

service authorization

Authorization allowing a subscriber to access the requested service based on subscription.

shared secret

An encryption key known only to the sender and receiver of data.

Short Message Service

See SMS.

Signaling System 7

See SS7.

SIM

Subscriber Identity Module.

SIM card

A SIM-based hardware SmartCard that contains the authentication keys for a GSM mobile telephone subscriber.

SIP

Session Initiation Protocol.

SLF

Subscription Locator Function.

SmartCard

A small card containing a computer chip that can store information, including authentication information and algorithms.

SMS

Short Message Service. Protocol for sending messages of up to 160 alphanumeric characters between mobile subscribers and external systems such as email, paging, and voice mail.

SNMP

Simple Network Management Protocol.

SS7

Signaling System 7. The network and protocols used to provide out-of-band signaling (control) for telephone services to support call establishment, billing, routing, and information exchange for the public switched telephone network.

SSID

Service Set Identifier.

STP

Signaling Transfer Point.

supplicant

WLAN client that must be authenticated before access to the network is granted.


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