Cellular Services

• GPRS - Basics
  Background information on GPRS

• GPRS - Availability
  Security and availability of the terminal devices in the GPRS network

• GPRS - TSC and IPT
  Information on the Tainy Switching Center Protocol and the IP Telemetry Protocol

• Mobile Country Code
  Liste der eindeutigen Netzwerkkennung in GSM-Netzen.

• APN List
  The cellular services GPRS, EDGE, UMTS and HSPA) provide a mobile internet access. Mobile devices register at the APN (access point name) of the cellular provider for this.

• SCN List
  One service in mobile phone networks is dispatching short messages (SMS). The number of the short message service center (Service Center Number, SCN) is required for configuring the mobile device.

Weblinks relating to Network Coverage (external links)

Maps of German providers:

• T-Mobile
• Vodafone
• O2
• Eplus

• Availability of UMTS/HSPA depending on location
• Broadband Atlas of the German Federal Ministry of Economics and Technology

Worldwide (GSM World)

• Online maps according to Countries and providers