Hello, I am currently attempting to setup multiple PDN connections to support QOS by creating a dedicated bearer, configuring the QOS profile and Traffic Flow Template, then sending a request to the MME for this second context.
I have been following the 3GPP AT command guide to no avail: 1. Define a default bearer +CGDCONT: 1,"IP","internet","0.0.0.0",0,0,0,0 2. Define a dedicated secondary bearer referencing the default bearer: +CGDSCONT: 2,1,0,0 3. Define a QOS profile for the dedicated bearer: AT+CGEQOS=2,2,2944,960,10000,10000 4. Define a traffic flow template for the QOS profile: AT+CGTFT=2,5,0,,,"5205.5205" 5. Activate default bearer (successfully) at+cgact=1,1 OK +CGEV: PDN ACT1 6. Activate dedicated bearer (unsuccessfully) at+cgact=1,2 ERROR I then came across this MR https://gitlab.freedesktop.org/mobile-broadband/ModemManager/-/merge_requests/477?commit_id=bb6ed93dda185e679b76f77ffc67aa3a4a9eaf83 which appears to be related to creating multiple bearers and configuring said profiles through MM. I didn't see anything specifically related to QOS/dedicated bearers but it made me wonder if this goal could be accomplished with MM. I am curious if anyone has experience with creating UE Initiated Dedicated bearers with AT commands? Or, more related to the context of this forum, if there are provisions for this configuration within MM. Any support/comments would be greatly appreciated. Thanks! Jack -- Jack Broderick R&D Engineer Council Rock (585)505-5959
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