Tone sequences (dtmf), Using the phonebook/addressbook – Siemens C75 User Manual

Page 29

Advertising
Tone sequences (dtmf), Using the phonebook/addressbook | Siemens C75 User Manual | Page 29 / 144 Tone sequences (dtmf), Using the phonebook/addressbook | Siemens C75 User Manual | Page 29 / 144
Advertising