Import Phone Number

{
  "phone_number": "+15551234567",
  "provider": "twilio",
  "supports_inbound": true,
  "supports_outbound": true,
  "integration_id": "intg_a1b2c3d4e5f6"
}

{
  "phone_number": "+15559876543",
  "provider": "sip",
  "supports_inbound": true,
  "supports_outbound": true,
  "sip_trunk_name": "my-trunk",
  "sip_server_address": "sip.example.com",
  "sip_username": "user",
  "sip_password": "pass",
  "media_encryption": "require"
}

{
  "success": true,
  "message": "Phone number imported successfully with twilio",
  "data": {
    "phone_number_id": "phon_a1b2c3d4e5f6",
    "phone_number": "+15551234567",
    "provider": "twilio",
    "status": "free",
    "supports_inbound": true,
    "supports_outbound": true,
    "integration_id": "intg_a1b2c3d4e5f6",
    "created_at": "2024-01-15T10:30:00Z",
    "updated_at": "2024-01-15T10:30:00Z"
  }
}