GET retrieves available Count of Trunks

Given I am authenticated as Customer K0002
When I send /api/customers/K0002/count-of-trunks
Then I should receive HTTP/1.1 200 OK
with following body

{
  "href": "/api/customers/K0002/count-of-trunks",
  "items": [{
    "href": null,
    "links": [],
    "data": [{
      "name": "name",
      "value": "ONE_DIGIT"
    }, {
      "name": "numberOfDigits",
      "value": 1
    }]
  }, {
    "href": null,
    "links": [],
    "data": [{
      "name": "name",
      "value": "TWO_DIGIT"
    }, {
      "name": "numberOfDigits",
      "value": 2
    }]
  }, {
    "href": null,
    "links": [],
    "data": [{
      "name": "name",
      "value": "THREE_DIGIT"
    }, {
      "name": "numberOfDigits",
      "value": 3
    }]
  }, {
    "href": null,
    "links": [],
    "data": [{
      "name": "name",
      "value": "FOUR_DIGIT"
    }, {
      "name": "numberOfDigits",
      "value": 4
    }]
  }],
  "links": null
}

Missing Customer

Given I am authenticated as Admin
When I send /api/customers/K404/count-of-trunks
Then I should receive HTTP/1.1 404 Not Found
And Content-Type header should be
with following body:

{
  "title": "Customer not found",
  "detail": "Customer with identifier K404 has not been found",
  "described_by": "http://api.nfon.net/probs/customer-not-found"
}

Service Portal REST API

GET /api/customers/{customer_id}/count-of-trunks