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Make Skype Safe
Henry Johns says, "I remember when IT departments said no to floppy disks on networked computers because of the risk of data theft. Now we have portable USB storage devices
December 2, 2005
1 Min Read
Forgotten Signals
I enjoyed Frank Bulk's blog "VeriSign Verifies Dual-Mode Voice". Bulk rightly points to the two major modes of interoperability--SS7 (and IS-41) and SIP--necessary for seamless fixed-mobile convergence. The carrier signalling component is often misunderstood and forgotten, though I was cheering in 2001 when VeriSign acquired SS7 services company Illuminet. It's nice to see that acquisition bear IMS-style fruit and to acknowledge that device-centric solutions like UMA and SCCAN present interoperability challenges.
Daniel Taylor
Managing Director
Mobile Enterprise Alliance
[email protected]
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