Billing functionality

• Realtime
• Postpaid/Prepaid billing
• Concurrent calls for users
• Unlimited devices for users
• Providers
• Provider rules
• Least Cost Routing
• Fail-Over
• User tariffs
• Localization
• Day setup
• Directions/Direction Groups
• DID support
• DID billing
• CDR Rerating
• Credit control
• Custom rates
• Trunk support

GUI functionality

• Online registration
• Possible branding (Logo change/etc)
• Translations
• Multicurrency
• Phonebook
• User grouping
• Device grouping

Reporting functionality

• Provider's calls
• Providers stats
• User call's stats
• Tell balance/time
• Payment stats
• New calls stats
• Loss making calls
• Profit stats
• Country stats
• Fax2Email stats

Data import functionality

• Tariff import
• CDR Import from CSV
  
• Number import for Auto-Dialer

Data export functionality

• Tariff export to CSV/PDF
• CDR export to CSV/PDF

Troubleshooting functionality

• Call Tracing

Accounting funcionality

• Services/Subscriptions
• Invoices
• Vouchers
• PayPal integration
• Manual Payments

Monitoring functionality

• Call Recording

Additional functionality

• Mass email sending
• Fax2Email
• Click2Call
• Voicemail
• Voicemail2Email
• Call forwarding
• Callshop functionality
• Callback
• Authorization by PIN/ANI

Addons

• Auto-Dialer
• Calling Cards