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Iridium
Point-to-Point Protocol (PPP)

Iridium Point-to-Point Protocol (PPP) is a hybrid between Iridium Direct Internet Data and Iridium Dial-Up Data services.  PPP is designed for use in applications where a computing device needs to connect to a computer via the internet.

PPP has the stability of a Direct Internet call without loading the Direct Internet software on field computers.  Call set-up time is also reduced while the percentage of established calls is significantly higher than using the Public Switched Telephone Network (PSTN) to connect to an Internet Service Provider (ISP).

A standard Dial-Up networking connection is established that dials directly into the Direct Internet server, thus eliminating the analog modems required in a PSTN connection.  Since PPP does not utilize the Direct Internet software, it will not provide the enhancements of compression.  This service only works when calls are originated by an ISU to the PPP server in the Iridium Gateway.  PPP servers cannot call out to the ISU and the ISU is not assigned an IP address.

  • Direct connection to the internet for non-Windows-based computing platforms.  Linux, Apple, Palm, and other operating systems can be configured to use a PPP client for communication to the internet. (Windows-based applications should use Iridium Direct Internet Service.)
  • Application specific data communications for telemetry, remote monitoring, or tracking of field-based assets

Non-Windows-based systems with typical applications utilizing the internet include: email, file transfer, Telnet, and other terminal sessions.

PPP service allows connection to any publicly available IP address on the internet.

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