> For the complete documentation index, see [llms.txt](https://docs.editran.onesait.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.editran.onesait.com/documentacion-editran/ibm-editran-v5.3-ims-en/recuperacion-transmisiones-ims.md).

# IMS Transmission Recovery

Recovering transmissions allows the repetition of a transmission carried out previously. It relies on the statistics system and allows a specific transmission to be selected in order to view the data that was sent and/or send it again.

If the transmission was carried out from ordinary application files, the process retrieves the list of files and includes them in the new transmission. The transmission will be correct if these files exist and contain the data they had at that time. An operator will be able to view their contents to make sure.

If the transmission was carried out by macrofiles, the statistics system has no record of the macrofile name and, furthermore, the file assigned to the session will contain data from the last load or will not exist. In this case, a “macrofile log” is added to the macrofile load process, which records the load performed and the name of the macrofile used. This name must be different for each transmission, and a generation file is allowed. The transmission is recovered by performing a load by macrofile with the macrofile used on that occasion. Its contents can also be viewed beforehand.

In both cases, the process is launched by choosing a presentation from the historical sessions query.


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