Private RingBack Tone
Group settings
Subscribers can set different personal ringback tones for individual numbers, groups of numbers and unspecified numbers.
Dynamic update
With PROTEI Private RingBack Tone, lists of melodies can be updated dynamically from external files.
Tone management via SMS/USSD
Subscribers can order a ringback tone by sending an SMS/USSD request to a specified service number.
Tone management using IVR
Ringback tones can be set up via an IVR voice menu. The subscriber can choose melodies to listen to and set a new melody by inputting a confirmation code.
Tone management using WWW
Melodies can be set for individual numbers of groups of numbers. Groups can be created and numbers can be added to groups. The initial password for accessing the service is sent to the subscriber by SMS.
Recording personal phrases
Personal greetings can be recorded.
System scaling and reliability
The system is horizontally scalable. When one of the subsystems reaches its performance threshold, appropriate additional modules are brought online. The system has network architecture, which additionally increases its reliability.
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