Thank DUFQI, but this way is for connect between extension and pubblic line, my problem is between two extension.
So between an digital extension and a analogue extension the DTMF signaling work correctly.
Thank for your reply, but the system pager is connected way an ISDN extension (ITL) non way a TLU79 (trunk). The connection is way a digitally extension and the ISDN extension connettected to the pager.
I have a pager system connected via ISDN to the system as a telephone. When the pager is connect with the caller, if this have an analogue extension send the DTMF tone, if the caller is a digital phone the sistem dont't sent the necessary DTMF tone to the ISDN pager. Can I solve the problem...
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