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A.5 Why do I need Internal Phone Numbers?
A.3.4 Check List 2: Configuration of Devices
• Check all cables connected to the devices.
• Check whether NTBA and all devices are connected to their
power supplies. If you want to connect more than 4 devices,
the additional devices will need their own power supplies.
• Check the settings of the devices: D-channel protocol (DSS1)
- MSN (in-/out-bound) - Service settings (e.g. in a PBX) -
Depending on the device additional settings may be required,
e.g. Password, software version, transmission protocol.
If the fault still remains, please contact manufacturer or distirbu-
tor of the device.
A.4 How to make an internal call
For an internal call always dial
Combination Device
e
e
e
e
*
*
1
1
e
e
e
e
*
*
1
2
e
e
e
e
e
e
bis
*
*
2
1
2
4
A.5 Why do I need Internal Phone Numbers?
Using internal phone numbers you may have calls to the internal
phones free of charge.
e
*
Analog 1
Analog 2
ISDN 1 – ISDN 4 MSN 21 – MSN 24
e
(asterix) as prefix.
*
Connection / Internal MSN
Port 1
Port 2
162
- Quick Links:
- Ports
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