Public land mobile network — In telecommunication, a public land mobile network (PLMN) is a network that is established and operated by an administration or by a recognized operating agency (ROA) for the specific purpose of providing land mobile telecommunications services… … Wikipedia
SMS — This article is about the communication protocol technology. For information about text messaging, see Text messaging. For other uses, see SMS (disambiguation). An SMS message being received … Wikipedia
Network switching subsystem — (NSS) (or GSM core network) is the component of a GSM system that carries out call switching and mobility management functions for mobile phones roaming on the network of base stations. It is owned and deployed by mobile phone operators and… … Wikipedia
Roaming — Der Begriff Roaming (engl. herumwandern, streunen, herumstreifen) oder Durchleitung stammt ursprünglich aus dem Bereich des GSM Funknetzes. Herkömmliches GSM Roaming ist[1] die Fähigkeit eines Mobilfunknetz Teilnehmers, in einem anderen, fremden… … Deutsch Wikipedia
Voice over IP — Digital voice redirects here. For the commercial service, see Comcast Digital Voice. Voice over Internet Protocol (Voice over IP, VoIP) is a family of technologies, methodologies, communication protocols, and transmission techniques for the… … Wikipedia
IP Multimedia Subsystem — Das IP Multimedia Subsystem (IMS) ist eine Sammlung von Spezifikationen des 3rd Generation Partnership Project (3GPP). Ziel von IMS ist ein standardisierter Zugriff auf Dienste aus unterschiedlichen Netzwerken. IMS verwendet ein All IP Netzwerk,… … Deutsch Wikipedia
Camel Application Part — The CAMEL Application Part (CAP) is a signalling protocol used in the Intelligent Network (IN) architecture. CAP is a Remote Operations Service Element (ROSE) user protocol, and as such is layered on top of the Transaction Capabilities… … Wikipedia