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Find labels in the number overview

Labels appear where you actually work with the numbers: DDI Manager → DDI Ranges.

The E.164 DDI range overview table with number ranges from Denmark, Sweden and Germany plus a Legacy PBX range, with columns for type, carrier, available numbers and utilisation.
At the top sit your number ranges with carrier, connectivity type (DR = Direct Routing, OC = Operator Connect, CP = Calling Plans), available count and utilisation. Click a range to unfold the numbers below.
The E.164 assignments table with the columns User, Email, E.164 Numbers and Labels, where several numbers carry the label DE · Legacy PBX.
Here you see who has the number and what the number is set aside for — side by side.

From this table you can:

  • search by label name and get every number carrying that label — across ranges too
  • filter on In Use and Available and thereby find available numbers with the right label
  • export the table to Excel via the Export link — but without labels, see below
E.164 assignments with a search for Legacy PBX, so the table shows only the five numbers carrying that label.
Searching for a label name reduces the table to exactly the numbers carrying that label. This is how you answer "which numbers do we have sitting on the old platform?" in practice.

Labels cannot be exported. The Excel export from DDI Ranges does not include the Labels column, and labels do not appear under DDI Utilization, DDI History or User Management & Automation either. Labels exist only on screen, in E.164 assignments.

Follow-up therefore happens as a lookup rather than as a report: search for the label name and read the count in the "Showing 1 to N of N entries" line. If the figures need to go into a status meeting or a spreadsheet, they have to be noted manually.

A number can carry several labels

Labels are not mutually exclusive. If you put two labels on the same number, both are shown in the column separated by a comma.

E.164 assignments where the number +4930550106 carries two labels separated by a comma.
Readable — but contradictory.

Avoid contradictory labels. The example above is precisely what you should not do: one label says "must not be assigned", another says something else. A colleague reading the row cannot know which applies. Stick to one label per number unless you have a clear and agreed reason to do otherwise.

The whole flow in order

The sequence diagram shows the logical order from end to end: who does what, which screen is involved, and when data actually reaches the number database.

Sequence diagram with five participants — administrator, the Settings page, the number database, DDI Ranges and a colleague — split into a setup phase and a daily use phase.
Phase 1 is carried out once by whoever does the setup; phase 2 repeats every time a colleague needs a number. Note steps 4–5: the selection of numbers lives only in the browser until *Update* is pressed.

The vertical dashed lines are the five participants — two people and three screens or systems. Solid arrows are actions, dashed arrows are responses back. The blue bars show how long a screen is in use. The only place data is saved is the two arrows pointing at the number database in phase 1.