Isode X.400 MessagingWhen building a complex messaging system, there is often a requirement to integrate X.400 messaging services with other messaging or telematic services. For example:

  • Integration of a military X.400 system with ACP 127 Messaging.
  • Integration of an air traffic messaging system with AFTN Messaging.
  • Integration of a messaging system with facsimile or telex services.

M-Switch X.400 has a multi-protocol multi-channel architecture, and is an ideal basis for building gateways. Isode offers two approaches to building such gateways in conjunction with M-Switch X.400.

  1. Use the Isode X.400 Gateway API which is a simple 'C' programmatic interface to connect external messaging or telematic services to X.400. This API is suitable for aviation, military or EDI applications. In order to integrate applications with M-Switch using this API, Isode supplies an X.400 Gateway API Developer's kit. This product was originally developed for the aviation industry and has features specifically designed for AMHS. This product is also sold as the AMHS Gateway API for use by vendors building solutions for the aviation industry, in developing ground to ground applications that operate over AMHS, and for integrating AMHS applications with the AFTN network.
  2. Using the Open Group X.400 Gateway API, which is a 'C' programmatic interface allowing messages to pass between a mail-enabled application or a proprietary mail system and an X.400 message service. M-Switch supports the X.400 Gateway API, including X.400 (1984) and X.400 (1988) versions. Runtime licenses for this API are included with M-Switch X.400. In order to integrate Open Group X.400 Gateway API applications with M-Switch, Isode supplies an Open Group X.400 Gateway API Developer's kit. Example applications using this API (included in the Isode release) are described here.

Isode also provides a set of Isode specified extension to this API, to deal with two things:

  • STANAG 4406 Military Messaging extensions to X.400.
  • File Transfer Body Part (FTBP) support. This important X.400 feature is not covered in the standard API

These extensions are included as part pf the Isode Open Group X.400 Gateway API product, and are specified in this document.

The Isode manual, describing all of the Isode messaging APIs is here.

 

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