[asterisk-users] fall back to inband DTMF?

[Bryant Zimmerman]

I have an issue where one of the carriers that my up-line is using is not 
offering RFC-2833. I am getting the response from them that if RFC-2833 or 
SIP INFO is not offered then I should fall back to inband.

I only have RFC-2833 offered enabled on all phone sets and trunks. The Peer 
accounts are forcing RFC-2833.  So how would I accomidate this issue as I 
never want inband used if RFC-2833 is offerd. As I understand it asterisk 
only has the option of one of the DTMF methods. Any ideas would be 
apperciated. Is there a way to not offer inband and still force asterisk to 
fall back and use it the carrier end forces it?

Thanks

Bryant
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