Extending MAP Callouts

You can extend the data used in Mobile Application Part (MAP) callout requests and results. You can include customized private extension data in the extensionContainer parameter in MAP ATI (AnyTimeInterrogation) and MAP SRI (SendRoutingInfo) operations. This feature enables you to manipulate the data sent and returned in MAP callouts, for example, to correct the digits dialed by a user when roaming.

You send private extensions in the top level extensionContainer parameter of the MAP ATI operation or the MAP SRI operation. You can also extract private extensions from the top level extensionContainer parameter contained in the MAP ATI or MAP SRI callout results. You can use the private extension data for a variety of purposes. For example, this data can be used during rating to determine the number to connect to.

The MAP specification defines extensionContainer parameters at many levels in the hierarchy of MAP ATI and MAP SRI operations and results. CCF supports only top level extensionContainer parameters. CCF does not support extensionContainer parameters that are sub-parameters of other parameters. For information about the MAP parameters that CCF supports, see the discussions about any time interrogation supported parameters and send routing information supported parameters.