Subject: [Megaco] Fax and Modem detection

From: Tamar Nemet <[email-masked]>
Date: Tue, 20 Dec 2005 12:15:08 +0200

Hello,
 
The ftmd (FAX/Textphone/Modem Tones Detection) package defines many events
to detect the presence of data traffic (fax, modem) on a line.
Which event should be used in order to notify the SoftSwitch that a fax or
modem has been detected ?
 
It looks that CNG should be used in case of fax. But for modem there are a
lot of events. Does the Media Gateway must detect all kinds of modem signals
and send the exact modem event to the SoftSwitch ? (V21flag,CIV18,
XCI,CIdata,V21Tone,V23tone ....)
Or there is a generic event for modem detection ?
 
Thanks,
Tamar Nemet
 
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