Lancom LC-1823, Руководства

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LANCOM VoIP Routers: PBX Functionalities
Chapter 3: Configuring the VoIP functions
24
EN
MSN setting
By entering an MSN into an ISDN telephone, you define the telephone number
that the phone is to react to and the telephone number that is transmitted to
the user being called.
The MSN for your ISDN telephone should be the telephone number that you
have entered for the ISDN user under 'MSN/DDI'. In many devices, this setting
is to be found in the menu under
Telephone settings MSN .

Not to be entered as the MSN is the internal telephone number! Using
the external MSN/DDI enables the ISDN telephone to continue
operating even in case the LANCOM Business-VoIP-Router should fail
(’Life-line support for ISDN telephones’
→
Page 45).
ECT setting
ECT (Explicit Call Transfer) is the spontaneous connection of two active calls
by the user: If you are conducting two conversations, you can transfer the two
callers so that they can then communicate with each other (’Spontaneous call
management by the user’
→
Page 29).
To use this switching option in combination with the LANCOM Business-VoIP-
Router, you should activate automatic ECT in your ISDN telephone. Many
devices allow this value to be adjusted in a menu under
Telephone settings
PBX Functions Auto. ECT .
Keypad setting
For ISDN telephones, control sequences use the # and * characters (known as
"keypads") to to activate/deactivate features at the exchange such as
automatic call forwarding (call redirection) or callback on busy. Pressing keys
during a call normally generates DTMF tones, which can be used to control
remote computers, for example.
To prevent control sequences for features from being transmitted as DTMF
tones, activate automatic keypad transmission for your ISDN telephone. Many
devices allow this value to be adjusted in a menu under
Telephone settings
PBX Functions Keypad .
3.3.3 SIP telephones
Similar to ISDN telephones, SIP telephones also require a setting for the
telephone number that the device is to react to. If the LANCOM business VoIP