18 Sep
2010
18 Sep
'10
3:08 p.m.
Hello Pranav,
ptime and also the z flag are ms values, so a values of 6 or 8 ms are not
the recommended length of time,
for G729 it should be an integer multiple of 10 ms. I havn't yet a look the
the source, but the nathelper doc
say ZNN, maybe only the 12 is taken from your 120? But in fact the doc
confuse with ZNN and an example
of 100ms. Could you try again with 90?
regards,
Andreas
2010/9/18 Pranav Desai <pdesai(a)signalogic.com>
Hello,
We have a proxy server setup that runs Kamailiov3.0.1 + RTPProxyv1.2.1.
Nathelper support has been enabled in Kamailio.
On a certain route, we call force_rtp_proxy("z120"), i.e. with resizing
parameter 'z' and argument 120ms. During a call where endpoints have
negotiated the use of G729, RTPProxy sends packets with ptime=12 (120ms),
however occasionally rtpproxy sends packets with ptime 6(60ms), 8(80ms),
4(40ms).
Under what circumstance would RTPProxy send packets with ptime < 12 ?
Regards,
Pranav Desai
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