SIP message
The phone can send and receive SIP messages. A set message can be sent to a recipient with an appropriately configured function key. A received SIP message is displayed as a notification.
Examples
In a care home, repeated messages that the patient/resident in room X needs help.
Using sent SIP messages to warn of possible dangers. A silent alarm can also be triggered for this purpose.
*Further help under Silent Alert
Configuration
Web interface: 
Function keys> Choose a key >Function:SIP message
*Details about the settings are in Function keys
Phone: 
Settings > Function keys> Choose a key >Choose a function:SIP message
*Details about the settings are in Function keys
Provisioning: 
*Details about provisioning this function in the Auerswald DokuWiki at Setting and Key
Process 
1. A SIP message function key is pressed.
2. Depending on the predefined delay, a number of different scenarios are possible:
Delay 0 sec: The SIP message is sent immediately.
Delay min. 1 sec: A countdown timer appears on the display and the following options are offered.
Dismiss: The sending of the SIP message is aborted.
Start immediately!: The SIP message will be sent immediately.
Hide: The countdown timer is hidden. The SIP message is sent after the delay time has elapsed.
3. An action is triggered at the remote station informed via URL (e.g. alarm server).