Siemens 300 Series User Manual page 35

Tones, cont.
Sound
Intrusion tone followed
by a ringing-beep tone
Long tone, followed by
an intrusion tone
repeated every 8 secs.
1-sec. tone after dialing
Ringing (ringback)
tone
Short tone every 20 sec.
Single (conference)
tone
Steady high tone
3 short tones (confirma-
tion tone)
3 short tones followed
by dial tone
30-sec. tone after
dialing
2 short tones every 20
secs.
Very short tone after
dialing
Wavering (error) tone
Meaning
The party you called is on the
phone, but has received a call
waiting indication. Stay on the
phone until the party answers.
Busy override and speaker call
intrusion reminder
There is a short queue for an
outgoing trunk.
The phone you called is ringing.
Internal call waiting
A new party has been added to a
conference.
A technician is testing your
phone.
A feature has been successfully
activated.
Additional input, such as a PIN,
is required.
There is a long queue for an
outgoing trunk.
External call waiting
You have been routed to the next
outgoing trunk or to a more
expensive route.
Invalid feature request
Introduction 1–21