Table of Contents
Advertisement
A.3 How to Set Up an ISDN Connection
A.3.1 Assigning MSNs
One ISDN devices may answer to several MSN (see next section).
You have to set up the phone accordingly.
Please refer to the documentation of the phone. Setting up MSNs
may vary for different phones.
Two or more ISDN devices may answer to the same MSN. In-
bound calls for one MSN may ring on all phones configured.
Note: For internal calls use the internal MSNs (see
make an internal call
A.3.2 What is an external MSN?
MSN is short for Multiple Subcriber Number.
Via MSNs one ISDN line can be reached under different phone
number. MSNs may be set up flexible to the devices. In Germany
the number of MSNs for one ISDN line is restricted to 10.
Your telephone service provider informs you about your MSNs.
Typically 3 MSNs will be assigned to one ISDN line.
On the tab T
ELEPHONY
MSN for each account in the field P
A.3.3 Check List 1: Installation of Phone Line
• Check whether NTBA and all devices are connected to their
power supplies. Consult the connexion diagram.
• Check the terminators in the last ISDN port (2 x 100 Ohm).
Contact the service department of your telefone service provider
or a specialized contractor the fault has not been found or elimi-
nated.
on p.162)
on the L
INES AND
HONE
A.4 How to
A
enter one
CCOUNTS
N
.
UMBER
161
- Quick Links:
- Ports
Hide quick links:
Advertisement
Table of Contents
