Features of each eligible category:

C0-Internal:

• Emergencies: 091, 061, 062...
• Emergencies - 2: 085, 080
• Emergencies - 3: 112-Emergencies
• Emergencies - 4: 1006-Civil Protection
• Social services: 010, 012, 016...
• Social services - 2: 116111 - Child help
• Free numbers: Toll-free numbers (800/900)
• Corporate mobiles: 8xxxx
• Corporate landlines: 7xxxx

C3-National-Mobile:

• Contents in the C0-Internal category
• Short codes: 1003, 1004, 1006...
• National mobiles
• National landlines
• Shared cost: 901xxxxxx, 902xxxxxx

C7-International:

• Contents in the C1-National-Mobile category
• International landlines and mobiles