Codec resolution: AMR rates in 2G, 3G and SIP
05-03, 15:15–15:45 (Europe/Berlin), Meeting Room

AMR requires out-of-band negotiation of a set of bitrates.
Let's take a tour of the various ways AMR rates are represented across our technologies.
How do we, in detail, navigate this perilous landscape to select AMR rates so that call legs match?

Most of my career happened in FLOSS.
sysmocom employee since 2015.

I wrote a large portion of Osmocom's CNI code in osmo-bsc, -msc, -hlr, -hnbgw...
Currently mostly busy in the realms:
- negotiating voice codecs in osmo-msc, -bsc, -sip-connector
- PFCP and UPF (osmo-upf, gtp-load-gen, ...)

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