L3P B Channel Control (0x0007) Atomic Functions

 

This section describes the atomic functions used by the L3 Call Reference PPL component.

L3P B Channel Control atomic functions

The following AFs are specific to the ISDN L3P B Channel Control PPL component. See Common Atomic Functions for the AFs common to all PPL components.

AF Number

51

Name

Send Enable B Channel to L3

Description

Enables a B channel to Layer 3 and forces the SERVICE of in-service to be sent to the distant end.

Arg1

<Not Used>

Arg2

<Not Used>

AF Number

52

Name

Send Disable B Channel to L3

Description

Enables a B channel to Layer 3 and forces the service of Out-of-Service to be sent to the distant end.

Arg1

<Not Used>

Arg2

<Not Used>

AF Number

53

Name

Send L3 B Channel Maintenance to L3

Description

Enables a B channel to Layer 3 and forces a service of maintenance to be sent to the distant end.

Arg1

<Not Used>

Arg2

<Not Used>

AF Number

54

Name

Send CCSM Service State Event

Description

Forces an indication to Layer 4 and causes a DS0 Status Change message to be sent to the host.

Arg1

<Not Used>

Arg2

<Not Used>

AF Number

55

Name

Test to see if the B channel is on the D channel Facility

Description

Checks to see if the B channel for this PPL resides on the same span as any other D channel (primary or backup).

Arg1

<Not Used>

Arg2

<Not Used>

AF Number

56

Name

Send Remove Call to L3P CR

Description

Remove Call is sent to L3P CR

Arg1

<Not Used>

Arg2

<Not Used>