Localization and location groups

A localization ("location") is a named set of number-manipulation rules — strip a trunk prefix, add a country code, and similar — that a device inherits simply by belonging to it. Reached under Routing > Localization.

This is a different feature from the destinations used for pricing: a localization rule does not touch what a call costs, only the digits of the number itself, before routing decides anything else.

The localization list

Every install starts with a Global localization that every device without a more specific one falls back to. Click Create localization to add another, then Rules on a row to edit it, or Devices to see (and assign) which devices use it.

Localization page: intro text 'Number manipulation rules (E.164) per location. Devices inherit the rules of their location.', a Create localization form, and a table with two rows: Demo Location (0 devices) and Global (global) (10 devices), each with Rules/Devices/Rename/Clone/Delete actions. — The Localization list — "Global" already covers 10 devices by default.

Three kinds of rule

Open Rules on a location and it splits into three sections — a rule lives in exactly one of them:

Destination rules — rewrite the number being dialled.
Source rules — rewrite the caller ID (source number).
Combined rules — rewrite both destination and source in one rule, optionally pulling the source side from a location group instead of typing it again.

Rules · Demo Location page with three sections: Destination rules containing 'Demo — strip trunk 0, add CH code' (Cut → add: 0 → 41, Length 2-20, active); Source rules with 'No rules.'; and Combined rules containing 'Demo — combined, source via location group' (Cut → add: 0 → 41 | src [Group], Length 2-20, active), each section with its own Add rule button. — A location's three rule sections — this demo has a destination rule and a combined rule.

Click Add rule in any section for a small inline form: Name, Cut (the leading digits to remove), Add (digits to prepend instead), Min. length / Max. length (the rule only applies to numbers in this length range), and, for a source or combined rule, a Change CallerID name checkbox alongside the same cut/add/length fields for the source side.

Field	Meaning
`Cut` / `Add`	Remove this many leading digits (or this exact prefix), then prepend this instead. The demo rule's `0 → 41` turns a locally-dialled `0791234567` into E.164 `41791234567` — the trunk `0` is cut, the Swiss country code `41` is added.
`Min. length` / `Max. length`	The rule only fires on numbers whose length (after any cut) falls in this range — keeps a short internal extension from being rewritten as if it were an external number.
`Change CallerID name`	Source/combined rules only: also rewrites the caller ID's display name, not just the number.

A combined rule can also apply to a specific LCR, tariff, DID or device ID instead of the location as a whole — leave these at none for a rule that applies to every call through this location.

Location groups

Routing > Location Groups holds reusable source-manipulation rules, referenced by a combined localization rule's Source via location group option — useful when several locations should rewrite caller IDs the same way without each one typing its own cut/add pair.

Rules · Demo Location Group page with an inline add-rule form (Name, Cut, Add, Min. length, Max. length, Add rule button) and a table showing one rule 'Demo — source via group' (Cut → add: 0 → 41, Length 2-20). — A location group's own rule — the same cut/add shape as a source rule.

Back on the location's Combined rules section, ticking Source via location group and picking this group is what produced the src [Group] tag on the demo combined rule above — the source side comes from the group instead of being typed on the rule itself.

Note

A location only affects devices that belong to it — see Devices on a location's row to assign them. A device with no location assigned falls back to Global.

Check

Open a location's Rules page and confirm the rule you added shows active under the section you expect (Destination, Source or Combined) with the Cut → add and Length you intended.