Question:

I'm using the pika setup utility and was just wondering what "call model mode" means. There are only 2 options, normal and automatic but I am unsure what each one does.

Answer:

The 'call model mode' parameter controls how the Pika driver internally handles ISDN messages.

The large majority of the time this setting is best set as 'Normal'. Under the 'Normal' setting, the application has much more flexibility in message control and obtains more call information. Using 'Automatic' mode a set of ISDN messages are automatically responded to.

Here is an example to illustrate its function. If the call model mode is set to 'automatic' a RELEASE message will be automatically sent by the driver to the remote party on reception of a DISCONNECT message. And a RELEASE COMPLETE message will automatically be sent by the driver to the remote party on reception of a RELEASE message. In the case where the call model mode is set to 'normal' a ISDN message will be sent to the application (with accompanying information) but it will be the responsibility of the application to manually response with the appropriate ISDN message.