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Asterisk+ Redfone: Bad quality of sound(voice)

tleu
Posts: 13
 Member Since:
2008-03-05
Submitted by tleu on Sat, 03/15/2008 - 2:13am.

we have configured successfully Asterisk 1.4 with Redfone(E1)
The problem is:
we have two different sound qualities of voice for incoming and outgoing calls,
the incoming voice calls are good(both ends receive normal sound and produce).

but we experience difficulties with outgoing call(both ends receive low quality of sound , with noise).

we assume that there is a problem with the voice codecs configurations ,but we don't know exactly which codecs:on Redfone or Asterisk

urgent help needed!!!

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tleu
Posts: 13
 Member Since:
2008-03-05
reward for the solution
Sat, 03/15/2008 - 4:00am

for those who will provide working solution we are ready to pay a reward.


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gsigalas
Posts: 75
 Member Since:
2006-11-04
RedFone
Sat, 03/15/2008 - 1:22pm

As I don Have that issue can you post you config details ???
and an asterisk trace
otherwise just contact redfone ( their support is OK :))))) )


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tleu
Posts: 13
 Member Since:
2008-03-05
The problem is solved ,we
Sat, 03/15/2008 - 11:54pm

The problem is solved ,we just had to add "alaw=1-62" to zaptel.conf


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provelocit
Posts: 64
 Member Since:
2006-12-24
I've got the same problem
Mon, 06/23/2008 - 4:33pm

I've got the same problem with a T1, adding "alaw=1-62" doesn't do the trick. I assume it's because our T1's don't use alaw? Any idea's the static is awful. Is it possible I could have a bad line from the FoneBridge to the T1 card?

Jon


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provelocit
Posts: 64
 Member Since:
2006-12-24
I checked you config files
Tue, 06/24/2008 - 10:54pm

I checked you config files you need to change the dynamic span lines like this

dynamic=ethmf,eth0/00:50:c2:65:d3:92/0,24,0
dynamic=ethmf,eth0/00:50:c2:65:d3:92/1,24,1
The second span should be the timing master, even if you are not using it.

this did the trick for me, set timing on second as master...


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