Provides much cheaper outbound calls while roaming for your subscribers through call back. Service available for your pre-paid roaming subscribers with free USSD setup of call. Real-time charging of these USSD activated call backs by your IN system.
A software extension (including the USSD): the Call back service can run on your existing Ultracomp VMS/SMSC.
Real time charging adapts to your existing pre-paid mode
Service Node equipped network for pre-paid call charging: outgoing calls are routed through the Service NodeCamel provided, with IN machines: both legs of the calls go through the IN system.
Cost savings are enormous
For all outgoing calls when roaming, your subscribers can call at a much cheaper rate than standard roaming fees. When combined with SORTA (optimal routing to VMS), the savings are even greater for subscribers and a lot more for operators, who can save tremendously on international traffic.
Capacities and scalability
By adding SS7 links or processors (up to a maximum of 16 SS7 signalling links) as well as Voice Cards for call back (up to 480 circuits / system).
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