I have reverted back to 1.2.6 and set my sipuras to tx dtmf as info so I
can see them with sip debug. I'll see if there is a difference and
report on my findings in a couple days.
-Dave
Bryan Boatright wrote:
I too am experiencing DTMF problems with 1.2.7.1 that I did not
experience with recent prior versions. I've backed up to version 1.2.6
and so far DTMF detection is working reliably (but that's only with
about 10 calls worth of testing).
I've only had problems over SIP channels. Zap channels did not have
problems with 1.2.7.1. I do not have any IAX channels, so cannot
comment on that.
I know others tend to discount DTMF problems because of "known problems"
with how Asterisk handles DTMF, but there does seem to be enough
anecdotal evidence that something bad has recently happened to make
things worse.
Dave, would you mind trying version 1.2.6 to see if that also resolves
your problems?
Dave Fullerton wrote:
Greetings,
I'm using asterisk to connect our three locations together with a sort
of inter-company auto attendant connected like this:
PBX (fxs) <-> Sipura 3k (fxo) <-> Asterisk <-IAX-> remote asterisk
It works like this: Person picks up their phone and dials a number to
get to the auto attendant (I don't have any FXO ports available on our
PBX to do it the "right" way). The attendant answers and asks them the
remote extension they want to dial. This setup has worked very well
for several months. Last week I upgraded to 1.2.7.1 from 1.2.4 (I
think). Since then I've been having trouble with the auto-attendant
correctly detecting DTMF (missing digits). Some times it works
flawlessly, others I have to try over and over before it is detected
correctly. It isn't even consistently dropping the same digit from
what I can see on the console. The only thing I've found is that I
have a better chance of it working if I wait for the prompt to finish
before dialing. I have changed the DTMF method from rfc2833 to info
and finally inband with only a little change (inband seems to work the
best).
Has anyone else run into similar problems or have any more suggestions
to try?
This is the attendant portion of my extensions.conf:
[inter-attendant]
exten => s,1,Answer
exten => s,2,Wait(1)
exten => s,3,Set(TIMEOUT(response)=10)
exten => s,4,Background(enter-ext-of-person)
exten => i,1,Playback(invalid)
exten => i,2,Goto(s,4)
exten => i,3,Hangup
exten => t,1,Playback(goodbye)
exten => t,2,Hangup
include => tests
include => fullertonpbx
include => intercompany
Thank you for any insight you can provide.
Dave Fullerton
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