Part of the reason is IMS (IP Multimedia Subsystem), which has galvanized hardware manufacturers to decouple and open up systems so that key elements and components can be interfaced to others without drastic integration measures. For billing and OSS vendors, that means simplified interaction with network elements. Because the 3GPP’s TS 23.221 specification mandates that IMS make optimum use of IPv6, it is expected that IMS will be one of the drivers behind IPv6 acceptance.
Complete article at Billing World.
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