Fax detection kicking in when it shouldn't

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[2013-03-13 12:01:55] WARNING[32341][C-00000002]: res_rtp_asterisk.c:1902 ast_rtp_dtmf_begin: Don’t know how to represent ‘f’
[2013-03-13 12:01:55] WARNING[32341][C-00000002]: res_rtp_asterisk.c:1902 ast_rtp_dtmf_begin: Don’t know how to represent ‘f’
[2013-03-13 12:01:55] WARNING[32341][C-00000002]: res_rtp_asterisk.c:2023 ast_rtp_dtmf_end_with_duration: Don’t know how to represent ‘f’
[2013-03-13 12:01:55] WARNING[32341][C-00000002]: res_rtp_asterisk.c:2023 ast_rtp_dtmf_end_with_duration: Don’t know how to represent ‘f’

faxdetect=no set in chan_dahdi, have tried yes, incoming and outgoing?

we used to have this problem on an old trixbox system and the faxdetect setting fixed it.

Its a digium wildcard TE412P (gen 3 i think) that does not work with dahdi 2.6 so i had to rollback to dahdi 2.5 at digium’s suggestion to get the card to stop causing a kernel panic.