Example image of eyePlorer eyePlorer map for 'SMS': Communications protocol GSM Mobile phone Text messaging Digital AMPS IS-95 Landline Satellite phone Deutsche Telekom France Télécom Public land mobile network Mobile Application Part Signaling System 7 3GPP Customised Applications for Mobile networks Enhanced Logic Intelligent network Service Control Point INAP 1992 Airwide Solutions December 3 Orbitel Sema Group United Kingdom Vodafone Nokia Aldiscon Nextel Communications Short message service center TeliaSonera 3G Japan NTT docomo SoftBank Mobile BlackBerry I-mode Internet Protocol Suite Simple Mail Transfer Protocol Store and forward Best effort delivery Octet (computing) Bit UTF-16/UCS-2 Character encoding Unicode Metadata Routing Concatenated SMS SS7 SMS gateway