Configuration manual for 2N IP intercoms
4. Signalling of Operational Statuses
2N IPintercom generates sounds to signal switching and changes of operational statuses. Each
status change is assigned a different type of tone. See the table below for the list of signals.
Tone Meaning
Call prolongation confirmation signalling
Calls are time-limited in 2NIP intercoms for security reasons (protection
against blocking). Refer to the Miscellaneous subsection for details.
Internal application launched
The internal application is launched upon 2NIP intercom power up or
restart. A successful launch is signalled by this tone combination.
Connected to LAN, IP address received
2NIP intercom logs in upon the internal application launch. A successful
LAN login is signalled by this tone combination.
Disconnected from LAN, IP address lost
This tone signals UTP cable disconnection from 2NIP intercom.
Disconnection is signalled by this tone combination.
Invalid telephone number or invalid switch activation code
2NIP intercom allows the user to dial an extension number directly using
the keypad or enter the door unlocking code. An invalid code is signalled
by this tone sequence.
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