These don't look right..-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Hi,
I was just measuring the bitrates of a couple of codecs via iax. I'm getting much higher numbers than expected, so maybe I'm doing something wrong?
Measured with iptraf, values displayed are: codec: measured bitrate (bitrate according codec definition)
gsm: 52 kbps (13 kpbs) alaw: 154 kbps (?) speex: 57 kpbs (24 kpbs)
Seems a little high to me?
Were you useing analog phones connected to zap channels to make the calls? Like this..
Analog phone--Asterisk==IAX==Asterisk--Analog phone
or
If you were using SIP phones did you have them connecting on seperate NIC's so that you could isolate the IAX traffic? Like this..
SIPUA--{nic1}[Asterisk]{nic2}==IAX=={nic1}[Asterisk]{nic2}--SIPUA
Were you running iptraf on the Asterisk server and on the local console?? (NOT through a remote SSH connection)
Did you have promiscuous mode in iptraf set to off?? ( there may have been other traffic on the network)
If you answered NO to any of these chances are your traffic stats are not correct.. Obviously there are other setups that could be used to test the traffic rate but as you didn't mention how you did your tests I just gave some thoughts....
Later..
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