# CAS TCP call control capabilities

This topic provides an overview of the NCC capabilities associated with individual CAS TCPs. For more information, refer to the Dialogic® NaturalAccess™ NaturalCallControl™ API Developer’s Manual and to CAS API protocols.

## AP2, EAM, EL7, EUC, EUC/SWE, FGD, GDS, and LPS

The following table shows the capabilities that the indicated protocols support:

Capability | AP2 | EAM | EL7 | EUC | EUC/ SWE | FGD | GDS | LPS
--- | --- | --- | --- | --- | --- | --- | --- | ---
NCC_CAP_ACCEPT_CALL | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes
NCC_CAP_SET_BILLING | No | Yes | No | No | No | No | No | No
NCC_CAP_OVERLAPPED_SENDING | Yes | Yes | No | Yes | Yes | Yes | No | No
NCC_CAP_HOLD_CALL | No | No | Yes | No | No | No | Yes | Yes
NCC_CAP_SUPERVISED_TRANSFER | No | No | Yes | No | No | No | Yes | Yes
NCC_CAP_AUTOMATIC_TRANSFER | No | No | Yes | No | No | No | Yes | Yes
NCC_CAP_EXTENDED_CALL_STATUS | No | Yes | No | No | Yes | Yes | No | Yes
NCC_CAP_SEND_CALL_MESSAGE | No | No | No | No | No | No | No | No
NCC_CAP_SEND_LINE_MESSAGE | No | No | No | No | No | No | No | No
NCC_CAP_HOLD_IN_ANY_STATE | No | No | No | No | No | No | No | No
NCC_CAP_DISCONNECT_IN_ANY_STATE | No | No | No | No | No | No | No | No
NCC_CAP_MEDIA_IN_SETUP | Yes | Yes | No | Yes | Yes | Yes | No | No
NCC_CAP_CALLER_ID | No | Yes | No | No | Yes | Yes | No | Yes

Note: The NCC_CAP_CALLER_ID capability is supported for France, Japan, and the US if the NCC.X.ADI_LPS.cidsupport parameter is set to 1.

## MELCAS, NEC, MFC, MFS, OPS, R15, SS5, STA, and WNK

The following table shows the capabilities that the indicated protocols support:

Capability | MELCAS | NEC | MFC | MFS | OPS | R15 | SS5 | STA | WNK
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
NCC_CAP_ACCEPT_CALL | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes
NCC_CAP_SET_BILLING | No | No | Yes | No | No | No | No | No | No
NCC_CAP_OVERLAPPED_SENDING | No | No | Yes | Yes | No | Yes | Yes | No | Yes
NCC_CAP_HOLD_CALL | Yes | Yes | No | No | Yes | No | No | Yes | Yes
NCC_CAP_SUPERVISED_TRANSFER | Yes | Yes | No | No | Yes | No | No | No | Yes
NCC_CAP_AUTOMATIC_TRANSFER | Yes | Yes | No | No | Yes | No | No | No | Yes
NCC_CAP_EXTENDED_CALL_STATUS | No | No | Yes | Yes | No | Yes | No | No | No
NCC_CAP_SEND_CALL_MESSAGE | No | No | No | No | No | No | No | No | No
NCC_CAP_SEND_LINE_MESSAGE | No | No | No | No | No | No | No | No | No
NCC_CAP_HOLD_IN_ANY_STATE | No | No | No | No | No | No | No | No | No
NCC_CAP_DISCONNECT_IN_ANY_STATE | No | No | No | No | No | No | No | No | No
NCC_CAP_MEDIA_IN_SETUP | No | Yes | Yes | Yes | No | Yes | Yes | Yes | Yes
NCC_CAP_CALLER_ID | Yes | No | Yes | Yes | Yes | Yes | No | No | Yes