Glossary
K
Keypad
Keypad supports special function keys such as the star (*) and hash (#). This allows you to send control signals during a call, so that you can use particular features of your ISDN network.
M
MSN (Multiple Subscriber Number)
Multiple subscriber number. Multiple subscriber numbers are your own telephone numbers assigned to you by your network provider when your ISDN line was set up. Up to ten MSNs can be assigned to one ISDN connection.
Music on hold
Playing of music or a service announcement. With the enquiry call, toggling and redirect features, the call is held in the telephone exchange or the base station. Music can be played while the caller is on hold.
N
NTBA (Network Terminator Basic Access)
Network terminator device. The public ISDN network is terminated with an NTBA. ISDN end devices and PABXs are connected to the NTBA.
P
PDA (Personal Digital Assistant)
Also known as
PIN (Personal Identification Number)
Protects against unauthorised use, e.g., system PIN, answering machine PIN, headset PIN. When accessing a protected area, e. g. device configuration, when PIN protection is activated a particular combination of numbers or characters has to be entered.
R
Receive MSN
MSN assignment for incoming calls. A call for a particular MSN is sent to all internal devices that have been assigned this MSN as their Receive MSN.
Reject
An incoming call is rejected on an internal device. If several devices have the same Receive MSN, these will continue to ring until the call has been rejected on all the devices in that call group or it has been taken on one of the devices.
Reject all
Extended call rejection. When an incoming call is rejected on any device, that call is rejected for all devices in the same call group. The caller continues to hear the ringing tone but the devices themselves no longer ring.
31