Routing component:

• multi-domain, NAT traversal
• PSTN integration, prefix/LCR routing
• multi/custom dialplan
• DIDs and groups management
• trunps support
• mobility and mobile devices

Class 5 features component:

• call forwarding, white/black lists
• DND, CLIR, service Codes
• call back (web, sms, ring-in)

Media Services component:

• voicemail / announcement
• conferencing and IVRs
• ring back tones, music on hold
• call recording

Security component:

• authentication (DB, RADIUS,LDAP)
• flood detection and prevention
• DNS and registration poisoning
• limiting for cps or parallel calls

Interfacing component:

• user web interface
• system provisioning web interface
• SOAP interface
• DB interface

Advanced user managing component:

• service packages
• multi-language / multi-location
• reseller models

Advanced provider component:

• SOAP provisioning interface
• high-availability
• disaster recovery