Toolpack v2.3:Create an SCCP Stack

To create an ISUP stack

1. Select ISUP from the navigation panel.

2. Click 'Create New Stack'

3. Provide a name for the ISUP stack

• Select one Tmedia unit as the primary to run the ISUP stack for the Tmedia network.
• Select another Tmedia unit as the secondary unit to run the ISUP stack
• Click 'Create' to save the ISUP stack

4. Verify that the 'ISUP Stack was successfully created' message appears.

Description of parameters

These parameters are common to every other instance created afterward (i.e. networks, userparts, interfaces, circuits).

The timers have the following definitions; all timer values must be expressed in milliseconds):

Timer	Description
T18 Timer	GROUP BLOCKING message sent. Terminated normally when GROUP BLOCKING ACKNOWLEDGMENT is received. Typical values are 15 to 60 seconds.
T19 Timer	INITIAL GROUP BLOCKING message sent. Terminated normally when GROUP BLOCKING ACKNOWLEDGMENT is received. Typical values are 5 to 15 minutes.
T20 Timer	GROUP UNBLOCKING message sent. Terminated normally when GROUP UNBLOCKING ACKNOWLEDGMENT is received. Typical values are 15 to 60 seconds.
T21 Timer	INITIAL GROUP UNBLOCKING message sent. Terminated normally when GROUP UNBLOCKING ACKNOWLEDGMENT is received. Typical values are 5 to 15 minutes.
T22 Timer	GROUP RESET sent timer. Terminated normally at the receipt of the acknowledgment. Typical values are 15 to 60 seconds.
T23 Timer	INITIAL GROUP RESET sent timer. Terminated normally when acknowledgment is received. Typical values are 5 to 15 minutes.
T28 Timer	CIRCUIT GROUP QUERY sent timer. Terminated normally when CIRCUIT GROUP QUERY RESPONSE message is received. When this alarm expires, an alarm is generated. Typical value is 10 seconds.
FGR Timer	ANSI and Telcordia FIRST GROUP received timer. A typical value is 5 seconds.

NOTE: ITU variants do not support FGR Timer. Therefore, the timer does not need to be configured for these variants.

NOTE: The following timers are not required for the UK: T28