On Nov 6, 2008, at 10:08 AM, Klaus Teller wrote: > OK. I updated and tried flushing the DTMFs before playing the > commands and it works. Thanks. > > Now, i feel there is a more general issue of scalability around DTMF > (both inband as well as RFC2833) handling in Freeswitch. What do you > guys think? > > What i've been working on is a tool for testing voice applications. > The tool connects via Freeswitch to the voice platform and simulates > the behavior of the user. We've tried the tool with the most > reliable voice platforms out there as well as with some less reliable. > > What we observe is that in all cases, we can run 100 calls > sequentially without problem. But as soon as we have 10 calls in > parallel, digits start to get lost. Is this something you think > should be expected? > > I must note that there are a lot of DTMF reading and sending going > on. In fact, the testing tool doesn't use voice recognition to > assert whether the voice application is in the right state or not. > Instead, we instrument the voice application to emit some DTMF > sequences that are uniquely mapped to prompts. So there DTMF > sequences are read by the testing tool to determine if the voice app > is in the right state or not. > > Looking forward to your feedback. > > Klaus.
You should have no expectation whatsoever that inband dtmf will ever scale, as for rfc2833, I tend to doubt that there is any scaling issues there. Do you have any traces and accompanying freeswitch debug logs that show this behavior? Is it reliably reproducible? Mike _______________________________________________ Freeswitch-users mailing list [email protected] http://lists.freeswitch.org/mailman/listinfo/freeswitch-users UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users http://www.freeswitch.org
