Tone | Meaning |
|---|
| Call prolongation confirmation signalling
Calls are time-limited in 2N LTE intercoms for security reasons (protection against blocking). Refer to the Miscellaneous subsection for details. |
| Internal application launched
The internal application is launched upon 2N LTE intercom power up or restart. A successful launch is signalled by this tone combination. |
| Connected to data network, IP address received
2N LTE intercom logs in upon the internal application launch. A successful network login is signalled by this tone combination. |
| Disconnected from network, IP address lost
This tone signals data network disconnection from 2N LTE intercom. Disconnection is signalled by this tone combination. |
| Invalid telephone number or invalid switch activation code
2N LTE 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. |
| Default reset of network parameters
Upon power up, a 30 s timeout is set for the default reset code entering. Refer to the Device Configuration subsection in the 2N LTE intercom Installation Manual for details. |
| Call end signalling
2N LTE intercom enables the user to set a call end timeout to avoid call blocking. Press a key on your VoIP phone to extend the call time during this timeout. |
| Connected VoIP phone
This short tone signals successful connection between a VoIP phone and 2N LTE intercom. |
