I'm using sflphone 1.3.0 on debian unstable. People I call complain about low audio quality. I am using sipgate, and they list the following codecs¹
G.729 - ~ 12 kbit/s G.711 - ~ 100 kbit/s GSM - 13 - 20 kbit/s G.726 - 16 - 40 kbit/s However, in my codec list in sflphone-client-kde (screenshot: https://phihag.de/2014/sflphone-codecs.png ), I can only select GSM. How do I get the better codecs? I'd assume that G.711 offers the best quality on a 1GBit/s link, doesn't it? Best, Philipp ¹ http://www.sipgate.de/team/faq/article/14/Welche_Codecs_und_Signalisierungen_werden_von_sipgate_unterstuetzt
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