TA Triumph-Adler 261ci - Manual (Page 142)

7-7
Using a Connected Telephone > DRD Reception (Available for inch versions only)
2
Answer the call.
The machine will then ring using the predetermined ring pattern.
When the call is from a telephone
Lift the handset and speak with the other party. When the conversation is over, fax reception
can be initiated manually.
When the call is from a fax
Once the ringing tone stops, fax reception will start automatically.