Verizon Finally Unveils Apple iPhone
Velcroman1 writes "The most asked question in all of technology finally has an answer. When will Verizon get the iPhone? The answer: early next month. Verizon COO Lowell McAdam unveiled a new iPhone Tuesday during a presentation in New York that was short on surprises as most of the tech press already knew what was coming. 'If the press writes about something long enough and hard enough, eventually it comes true,' McAdam joked. Nevertheless, the move clears a major hurdle for Apple as they face increasing competition in smartphones, particularly from devices based on Google Inc.'s Android software which has exploded in popularity. Verizon's Lowell McAdam described the unveiling as a 'great day for wireless customers across the US.'"
What actually happens when a call comes in? Obviously any data streams stop, but if I have a laptop tethered will TCP connections get reset or is it like all of a sudden having dropped packets?
That's exactly what happens. I travel a great deal for business and given that most hotel's WiFi tends towards the sucktastic side of speeds I tether my Droid constantly. When a phone call comes in the radio kills any data coming through it. The connection doesn't get a reset, the packets just stop coming.
That's because GPRS/EDGE baseband doesn't support simultaneous voice+data, because there's only one transceiver. All the UMTS (3G HSDPA/HSUPA/HSPA) ones, in order to get higher speeds use channel bonding and multiple data contexts, which requires additional transceivers on additional channels. When a voice call comes it, it's just a control message to shut down a data context, switch a transceiver to the voice channel, and continue. The only thing that you'll notice is the data comes in a bit slower.
As for LTE support - LTE rollout isn't everywhere, and LTE at the moment is only guaranteed for data - the voice path has not been fully ratified yet. No doubt you can run VoIP, but I'm sure the carriers are trying to figure a wya to limit the built-in VoIP to their network only in nice high priority while other VoIP services get stuck with regular data services...
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http://support.vzw.com/faqs/iphone/iphone_faq.html#item12
5. Do I need to sign up for a 2 year agreement? When purchasing iPhone at the 2 year promotional price a new agreement is required. However, you will also have the option to purchase iPhone at full retail price, which will not require you to sign a long-term agreement.