[asterisk-users] DTMF not recognized on ISDN with Siemens -not IP- phone
gordon+asterisk at drogon.net
Wed Nov 28 10:57:31 CST 2007
On Wed, 28 Nov 2007, Administrator TOOTAI wrote:
> Good day all,
> we have following setup: Debian Etch 64, Asterisk SVN-branch-1.4-r66244
> with mISDN 1.1.3 and 2 Digium cards B410P. Our customers calls in the
> office through ISDN lines and then get a possibility to join meetme
> conference. It works well except when customers are using SIEMENS phones
> (not IP): DTMF is not recognized.
> Does someone have an idea on what could be the problem with those phones?
Have you tried fiddling with the DTMF settings in the mISDN config file?
It defaults to 100 and I had an issue with one site where if people called
in on a mobile phone it was fine, but if they called in from an analogue
land-line it wouldn't detect tones until I dropped it to 50.
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