Location Assistance Servers

Amol Lad Amol.Lad at 4rf.com
Thu Mar 12 10:24:32 UTC 2020

Yes, download actually happens on cellular link. It's EM7565 modem. I'll send email to Sierra.

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From: Aleksander Morgado <aleksander at aleksander.es>
Sent: Thursday, 12 March 2020 3:48 PM
To: Amol Lad <Amol.Lad at 4rf.com>
Cc: ModemManager (development) <ModemManager-devel at lists.freedesktop.org>
Subject: Re: Location Assistance Servers

Hey Amol,

> Is there any way to disable XTRA location assistance? From where modemmanager receives assistance servers information? Is this comes from the modem? I see requests to download these files on cellular link. Who starts the download? Is it modemmanager or modem?

Are you really seeing download attempts for those XTRA paths in the mobile link? That doesn't make sense to me. The modem firmware shouldn't be doing that IMO, because the whole purpose of the XTRA paths is to download them by other means (e.g. WiFi) and then inject them to the modem. I guess for some reason the modem itself may be doing that by itself? It's definitely not something triggered by ModemManager.


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