Disable external numbers for CUSTOMER

Test setup

Given I am authenticated
When I send /api/customers/K0002/options/external-numbers
as application/json; charset=UTF-8 with following body:

{
  "data": [{
    "name": "allowed",
    "value": false
  }]
}

Then I should receive HTTP/1.1 204 No Content

Given I am authenticated
When I send /api/customers/K0002/targets/phone-extensions/17/call-forwards
Then the external numbers should be disabled on phone extension

{
  "href": "/api/customers/K0002/targets/phone-extensions/17/call-forwards",
  "data": [{
    "name": "externalNumbersEnabled",
    "value": false
  }]
}

Given I am authenticated
When I send /api/customers/K0002/targets/phone-extensions/17/call-forwards/DEFAULT
Then the external call forward should not be reset to No action

{
  "href": "/api/customers/K0002/targets/phone-extensions/17/call-forwards/DEFAULT",
  "links": [{
    "rel": "current",
    "href": "/api/customers/K0002/targets/external/004966123456"
  }, {
    "rel": "available",
    "href": "/api/customers/K0002/targets/phone-extensions/17/call-forwards/DEFAULT/available"
  }],
  "data": [{
    "name": "name",
    "value": "Phone Book"
  }, {
    "name": "type",
    "value": "PHONEBOOK"
  }, {
    "name": "extensionNumber",
    "value": "+49 (66) 1234-56"
  }]
}

Enable external numbers for CUSTOMER

Test setup

Given I am authenticated
When I send /api/customers/K0002/options/external-numbers
as application/json; charset=UTF-8 with following body:

{
  "data": [{
    "name": "allowed",
    "value": true
  }]
}

Then I should receive HTTP/1.1 204 No Content

Given I am authenticated
When I send /api/customers/K0002/targets/phone-extensions/17/call-forwards
Then the external numbers should be enabled on phone extension

{
  "href": "/api/customers/K0002/targets/phone-extensions/17/call-forwards",
  "data": [{
    "name": "externalNumbersEnabled",
    "value": true
  }]
}

Given I am authenticated
When I send /api/customers/K0002/targets/phone-extensions/17/call-forwards/DEFAULT
Then the external call forward should not be changed

{
  "href": "/api/customers/K0002/targets/phone-extensions/17/call-forwards/DEFAULT",
  "data": [{
    "name": "name",
    "value": "Phone Book"
  }, {
    "name": "type",
    "value": "PHONEBOOK"
  }, {
    "name": "extensionNumber",
    "value": "+49 (66) 1234-56"
  }]
}

Missing Customer

Test setup

Given I am authenticated as Admin
When I send /api/customers/K404/options/external-numbers
as application/json; charset=UTF-8 with following body:

{
  "data": [{
    "name": "allowed",
    "value": false
  }]
}

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

PUT /api/customers/{customer_id}/options/external-numbers