Panasonic KX-TD500 - Manual (Page 263)

Features
Programming Guide 263
Parameter [Voice Mail Command] Get Message
Default *H
Value Range Up to 16 digits consisting of 0-9, , # or H
Description/Function Specifies the Get Message command.
This command is transmitted to a VM port when the message
receiver presses the MESSAGE button to retrieve a voice message.
Reference • 1.3 System Features (F/G)
– Integration, VPS
Parameter [Voice Mail Command] AA Service
Default #8
Value Range Up to 16 digits consisting of 0-9, , # or H
Description/Function Specifies the AA (Automated Attendant) Service command.
If AA Service is set to "Start" by System Programming, this
command is sent to a VM port when an incoming CO call is
answered by the VM port.
Reference • 1.3 System Features (F/G)
– Integration, VPS
Parameter [Voice Mail Command] VM Service
Default #6
Value Range Up to 16 digits consisting of 0-9, , # or H
Description/Function Specifies the VM (Voice Mail) Service command.
This command is transmitted preceding the "Get Message"
command above. This is effective to switch to a VM port when an
AA port lights the MESSAGE indicator.
This command is also transmitted preceding the "Leave Message"
command when Operator transfers a call to an extension and then
it is forwarded to an AA port so that the AA port can be switched
to VM port temporarily.
Reference • 1.3 System Features (F/G)
– Integration, VPS