No DTMF recognized over IAX2 trunk

arrow1

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#1
Here is diagram:

PSTN ---- ASterisk---IAX2---Elastix----EXT1,EXT2,EXT3.....

If I call PSTN number I can hear IVR of Elastix but can't use DTMF properly, if I dial existing extension I have "That's not a valid extension".....

IAX trunk:

context=from-internal
disallow=all
allow=gsm
host=IP
qualify=yes
secret=password
type=peer
username=someuser


Could you please advice Elastix experts?
 

arrow1

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#2

arrow1

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#3
When I dial 111 I see on logs that way different number is dialed and that's why have
Playing 'invalid' (language 'en') definatelly problem with DTMF


Anyone experienced something similar?
 

arrow1

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#4
I have found that sometimes when "slowly dialing digits" DTMF's go throught .....
 

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