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iPhone OS 2 was released on July 11, 2008, at the same time as the release of the iPhone 3G, and introduced Apple's App Store supporting native third-party applications, Microsoft Exchange support, [71] push e-mail, and other enhancements.
The iPhone 3G was only available to customers on the Vodafone network.{[52] 3G coverage for iPhone 3G was limited to major urban centres, as the phone operated on 850, 1900 and 2100 MHz bands; Vodafone's 3G network uses 900 and 2100 MHz. (The 850 MHz 3G band is used by Spark NZ). 900 MHz capability was added from the iPhone 3GS and subsequent ...
M1 was founded as a consortium known as MobileOne [1] in Singapore in 1994. [2] Cable & Wireless plc, Hong Kong Telecom, Keppel Telecommunications, and Singapore Press Holdings all owned stake in the company at its outset.
The iOS 7 betas limited FaceTime Audio to calls placed on a Wi-Fi network (the same original limitation of the video version of FaceTime), but the final release has removed that restriction to allow it to work over 3G and LTE data connections, as is the case with most carriers and plans about FaceTime with video.
The first release of Microsoft Exchange Server was version 4.0 in April 1996, when it was sold as an upgrade to Microsoft Mail 3.5. Before that, Microsoft Mail v2.0 (written by Microsoft) was replaced in 1991 by "Microsoft Mail for PC Networks v2.1", [1] based on Network Courier from its acquisition of Consumers Software. [2]
Microsoft later restricted the total number of chat turns to 5 per session and 50 per day per user (a turn is "a conversation exchange which contains both a user question and a reply from Bing"), and reduced the model's ability to express emotions. This aimed to prevent such incidents.
The 3G 850 MHz network is scheduled for shut down in June 2024 so the spectrum can again be reallocated, this time for 5G. The 2008 shut down of the Telstra CDMA network in favour of the by then well established Next G 3G network allowed that further spectrum to be used for 3G 850 MHz as well. 700 MHz 28: LTE/LTE-A: 4G
WiDEN: Wideband Integrated Dispatch Enhanced Network; 2.75G: refers to a technology that, although it does not meet 3G requirements, plays a role in 3G in the market. CDMA2000 1xRTT: CDMA-2000 is a TIA standard (IS-2000) evolved from cdmaOne. Compared with 3G, CDMA2000 supporting 1xRTT has lower requirements. EDGE: Enhanced Data rates for GSM ...