Hi, I tried Hannu's SNDCTL_DSP_GETOSPACE suggestion, but I ran into very strange problems (like hearing the DTMF dial tones being repeated when call was already in progress). So I fixed the issue by closing and reopening the devices. I also reduced the fragment size. Now ossphone works very well.
The attached patch implements these latency improvements. Hint: this patch can be applied by using "hg import ossphone.diff", as it has the "HG changeset patch" headers. The "hg import" command automatically patches the repository, adds all new files if any, and commits the changes. Just for the curious about slmodem status, I got a V.22 connection to work with OSS, but I'm still running into problems with V.34 and V.90 connections. I'm still working in this. Best regards, Paulo Matias
ossphone.diff
Description: Binary data
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