But so far in North America, just Sprint and Bell Mobility let subscribers swap photo messages across the two carriers' networks. "We've been pushing for this since last summer, and I do believe that at some point early this fall, we and a couple of other carriers will have interoperability," said Jeffrey Nelson, a Verizon Wireless spokesman. "We're moving as quickly as we can to deploy a spec," adds Rod Nelson, chief technology officer of AT&T Wireless. Handset makers are counting on camera phones to help spur sales, estimating that 35 percent of the phones sold this year will have embedded cameras and MMS capability.

"Can we do MMS interoperability, the answer is yes? Should we? The answer is yes, But can we now? The answer is no," said Nokia spokesman Keith Nowak, Interoperability problems are at every level of MMS, from inside the cell phone networks to the board rooms where carriers negotiate roaming agreements, From a network perspective, cell phone service classic case with glass screen protector for apple iphone 7 plus and apple iphone 8 plus - aqua providers rushed into picture messaging even though network equipment providers hadn't yet fully settled on a standard for an MMS center, which serves as a carrier's giant clearinghouse to process MMS, It's here that much of the heavy lifting is done, including identifying what handset the message is meant for and adjusting the size of the picture or the speed of the video to meet the handsets' capabilities..

But varying vendors' MMS centers have subtle differences that gum up the complicated tasks. For instance, some MMS centers handle all the standardized audio file formats, others can't. "For something like a simple text-only message, these kinds of nuances on the network level don't really matter," said Robin Nijor, a vice president of sales and marketing at LightSurf, which outsources MMS Center services to Sprint, Bell Mobility and other carriers. "But it causes problems for MMS.". Handset makers add to the interoperability problems by making phones like snowflakes: no two seem to be alike. Each is hard-coded with seemingly random combinations of existing digital file formats. Also, screen sizes, processing prowess and pixel paucity vary greatly. As a result, MMS has to be tailored carefully so as not to overwhelm some phones. "There needs to be an intermediary step so the messages are tailored to what the phone can do," Nijor said. "That makes it very difficult.".

Another major problem: Each carrier charges differently for the MMS services, Prices vary greatly, Some wireless message services charge for sending and receiving messages; others make receiving messages free, It makes for very complicated business dealings, Verizon's Nelson said, Tens of millions of phone photos are taken every month, but big interoperability problems throttle the sharing, But Spieczny is not alone because interoperability problems are constricting photo sharing among classic case with glass screen protector for apple iphone 7 plus and apple iphone 8 plus - aqua tens of millions of camera phone owners worldwide..

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