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Calling Party

The CallingParty operation selects an exit according to the best-match prefix for the Calling Party Number. This operation is similar to a Location Routing operation with “Calling Party Number” as source buffer. The main differences are that CallingParty operation prefixes are operation-specific and not hierarchical.

The CallingParty operation must have at least one exit. The CallingParty operation is only useful when it has more than one exit, although this is not enforced by the operation definition.

Config Parameters

The CallingParty operation config attributes are as follows.

Parameter	Type	Description
`rules`	Array of Object	[Required] The `rules` Array must contain zero or more Objects.

Config Rules

The attributes for each CallingParty operation rules Object are as follows.

Parameter	Type	Description
`prefix`	Telephony Digits	[Required] The prefix which must be the best match for the Calling Party Number in order to select the associated exit.
`exit_idx`	Integer	[Required] The zero-based index number of the exit to select when `prefix` is the best match for the Calling Party Number.

Note that if the Calling Party Number matches more than one prefix, the best-matching (longest) prefix will be used.

If the Calling Party Number does not match any prefixes, the first exit (exit index 0) will be selected.

Example Operation

Here is an example CallingParty operation in JSON representation.

    {
        "id": 5,
        "type": "CallingParty",
        "config": {
            "rules": [
                { "prefix": "021", "exit_idx": 1 },
                { "prefix": "022", "exit_idx": 1 },
                { "prefix": "027", "exit_idx": 1 }
            ]
        },
        "exits": [ 4, 17 ]
    }

In this example, calls for which the Calling Party Number starts with 021, 022, or 027 will be routed via exit index 1 to the operation with ID 17. All other calls will be routed via the default exit index 0 to the operation with ID 4.

Exits

The first exit is always the “Default” exit.

Exit Index	Name	Description
`0`	Exit #1 (Default)	[Required] All `CallingParty` operations must have at least one exit.
`1`	Exit #2 +	Additional exits may be present.