Execution, Initiation of Call Completion Related Data

The following I/O data are required for Call Completion:

• Full ISDN functionality must be set to Yes.
• Selection of QSIG protocol must be set to include ISO QSIG.
• Support of Generic Functional Protocol (GFP) must be set to Yes.
• Type of protocol to use for Supplementary Service Call back/Call completion must be set to Standardized Generic Functional Protocol.

There are a number of application system parameters used for Call Completion, to select timer lengths. These timers are the same as for Call Back.