Download MOBILITY Extension

2N - MOBILITY Extension
Technical Description and Installation
Tone and ringing types:
Dialtone
• PSTN dialtone
Busy tone
• Busy
• Congestion
•
Unauthorised
simulated tone for ARS, reverse modem, internal GSM,
ISDN in some cases
the called subscriber is busy, service cannot be executed
network congestion (from a CO line – defective line,
impassable network, wrong number, no credit; calling to a
subscriber line – defective telephone, full queue, do not
disturb, cannot be forwarded, reject )
unauthorised dialling (barred service or line, lock, dialling
timeout, cannot be executed)
Ringing from a
• subscriber line
• CO line
Waiting tone
• SL
• CO
Ticking
• CO-CO end
calling from a subscriber line
calling from a CO line
a ticking tone follows the call end of two CO lines before
disconnection
A negative influence, if any, on the PBX traffic as a result of unprofessional tone
change, is signalled by a warning message on your screen before access.
2N - Mobility Extension
46