Le 07/11/2011 10:19, Tzafrir Cohen a écrit :
How can we get dahdi_dummy compiled on those machines?
You no longer need to. Merely loading the module dahdi provides timing
and pseudo channels for conferences if no DAHDI hardware is available.
Well:
output of 1.6.20 without dahdi_dummy Debian Squeeze (Bad)
--- Results after 124 passes ---
Best: 100.000 -- Worst: 99.604 -- Average: 99.882464, Difference: 100.001599
dh@pabx2:/etc/dahdi$ sudo lsmod|grep dahdi
dahdi 171134 0
crc_ccitt 1323 1 dahdi
output of 1.6.20 without dahdi_dummy Debian Lenny Backport (Bad)
--- Results after 269 passes ---
Best: 100.000 -- Worst: 99.607 -- Average: 99.953130, Difference: 99.999378
dh@kumquat:~$ sudo lsmod|grep dahdi
dahdi 171150 26
crc_ccitt 1323 1 dahdi
output of 1.6.20 with dahdi_dummy Debian Lenny (Good)
--- Results after 184 passes ---
Best: 100.000 -- Worst: 99.979 -- Average: 99.997323, Difference: 99.997337
dh@asterix:~$ lsmod|grep dahdi
dahdi_dummy 8080 0
dahdi_transcode 11912 1 wctc4xxp
dahdi_voicebus 40768 2 wctdm24xxp,wcte12xp
dahdi 200912 18
dahdi_dummy,xpp,dahdi_transcode,wcb4xxp,wctdm,wcfxo,wctdm24xxp,wcte11xp,wct1xxp,wcte12xp,dahdi_voicebus,wct4xxp
crc_ccitt 6528 1 dahdi
output of 1.8.7-1 with dahdi_dummy from Ubuntu server package
asterisk.org (Good)
--- Results after 84 passes ---
Best: 99.998 -- Worst: 99.993 -- Average: 99.996689, Difference: 99.996689
dh@bescomx:/var/log/asterisk$ sudo lsmod | grep dahdi
dahdi_transcode 6836 0
dahdi_dummy 2760 0
dahdi 210885 2 dahdi_transcode,dahdi_dummy
crc_ccitt 1675 1 dahdi
Our problem is that on servers without dahdi_dummy (the 2 first) we face
problem with cutted calls or bad audio (words are cutted or one syllabe
of three). We are using SIP and ulaw/alaw codec. Face the same behavior
with g722.
Problem appears on phones (SNOM) connected directly to the servers and
not to users using their own asterisk server connected to those two
servers.
--
Daniel
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