I'm trying to interface Asterisk with an Alcatel PABX and trying to find
a code that works well. It says it doesn't support ulaw, though it
doesn't reject it. It supports G.729, and that works fine, but we'd prefer
not to use compression.
When I use alaw, the path from Asterisk to the Alcatel
Of Richard Kenner
Sent: Thursday, January 24, 2013 2:45 PM
To: asterisk-users@lists.digium.com
Subject: [asterisk-users] clicking sound with alaw codec
I'm trying to interface Asterisk with an Alcatel PABX and trying to find a
code that works well. It says it doesn't support ulaw, though it doesn't
reject
Your sounds might be too loud. We use a lot of custom sounds here and when
the volume approaches 0 db (asterisk standard is -3 db) we get fuzz and
clicks.
Sorry I wasn't clear. This is *always*. I hear it over the call when
there's talking and when there's dead silence (e.g., an empty
On 01/24/2013 09:44 PM, Richard Kenner wrote:
[snip]
When I use alaw, the path from Asterisk to the Alcatel is completely
clean, but the other way has a set of clicks that kind of sound like
old-fashioned audio noise.
[snip]
It's been ages since I experienced that but things to check that come
When I use alaw, the path from Asterisk to the Alcatel is completely
clean, but the other way has a set of clicks that kind of sound like
old-fashioned audio noise.
[snip]
It's been ages since I experienced that but things to check that come to
mind in no particular order are:
- jitterbuffer settings (try on/off)
I added
jbenable=yes
and get lots of:
[Jan 24 17:53:41] WARNING[12317]: abstract_jb.c:284 ast_jb_put:
DAHDI/i1/2128518396-6c7 received frame with invalid timing info:
has_timing_info=1, len=0, ts=371371424, src=RTP
[Jan 24 17:53:41] WARNING[12317]:
On 01/24/2013 11:57 PM, Richard Kenner wrote:
- jitterbuffer settings (try on/off)
I added
jbenable=yes
and get lots of:
[Jan 24 17:53:41] WARNING[12317]: abstract_jb.c:284 ast_jb_put:
DAHDI/i1/2128518396-6c7 received frame with invalid timing info:
has_timing_info=1, len=0,
Check https://issues.asterisk.org/jira/browse/ASTERISK-12042
I did. But that was with an unofficial G.729. This is with the supplied
alaw codec.
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