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dexter has posted comments on this change. ( 
https://gerrit.osmocom.org/c/libosmocore/+/30724 )

Change subject: gsm_08_58: add IEI to signal HR GSM RTP format via RSL
......................................................................


Patch Set 2:

(1 comment)

Commit Message:

https://gerrit.osmocom.org/c/libosmocore/+/30724/comment/c444704e_b4efa7a9
PS2, Line 12: packets. (In the receiving direction the BTS automatically 
detects the
> If the BTS automatically detects the RTP format upon rx, why cannot we simply 
> detect it automaticall […]
1: The MGW does exactly that but it has no knowledge about when to convert and 
when not. It just converts one format into the other and vice versa. It works 
fine for homogenic setups but once you add a BTS that uses the other format it 
won't work.

2: in MGCP/SDP There is no specified way to signal which HR GSM format to use 
and it would also address the problem at the wrong location. The BTS should 
transit in the expected format and we shouldn't be forced to convert it at some 
second-tier point.

We can solve the problem via osmo-bts.cfg. I personally would prefer that 
solution since it is much simpler, but I thought we would prefer to have the 
BTS parameters configured by the BSC.



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Gerrit-Project: libosmocore
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Gerrit-Change-Id: I843c8a0cbe5898311f3af3294cec7c8bc96c4eb8
Gerrit-Change-Number: 30724
Gerrit-PatchSet: 2
Gerrit-Owner: dexter <pma...@sysmocom.de>
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