Codec resolution: AMR rates in 2G, 3G and SIP

Neels Hofmeyr

Video Player

Close

Media error: Format(s) not supported or source(s) not found

Download File: https://us.mirror.ionos.com/projects/media.ccc.de//events/osmodevcon/2024/h264-hd/osmodevcon2024-193-eng-Codec_resolution_AMR_rates_in_2G_3G_and_SIP_hd.mp4Download File: https://mirror.netcologne.de/CCC//events/osmodevcon/2024/webm-hd/osmodevcon2024-193-eng-Codec_resolution_AMR_rates_in_2G_3G_and_SIP_webm-hd.webmDownload File: https://mirror.netcologne.de/CCC//events/osmodevcon/2024/h264-sd/osmodevcon2024-193-eng-Codec_resolution_AMR_rates_in_2G_3G_and_SIP_sd.mp4Download File: https://ftp.fau.de/cdn.media.ccc.de//events/osmodevcon/2024/webm-sd/osmodevcon2024-193-eng-Codec_resolution_AMR_rates_in_2G_3G_and_SIP_webm-sd.webm

15

30

00:00

00:00 | 00:00

• None

Use Up/Down Arrow keys to increase or decrease volume.

1.00x

• 2.00x
• 1.50x
• 1.25x
• 1.00x
• 0.75x

• eng 1080p (mp4)
• eng 1080p (webm)
• eng 576p (mp4)
• eng 576p (webm)

• 39 min
• 2024-05-03
• 2024-06-01
• 31
• Fahrplan

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?

Download

Tags