TA Triumph-Adler DCC 2520 - Manual (Page 105)

Other Features of this Fax
5-3
> If the call is from a telephone...
1 The fax will ring to let you know that you should
answer. Pick up the telephone receiver within 30
seconds after the ringing starts.
NOTE: If the telephone receiver is not picked up
within 30 seconds, the fax machine will switch to fax
reception.
2 Speak with the other party.
NOTE: At the end of the conversation, fax reception can be initiated manually. (Refer to Initiating
the Fax Connection Manually (Manual Fax Reception) on page 3-25.)
> If the call is from a fax...
Fax reception will start automatically.