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Old 08-29-2007, 12:01 PM   #1 (permalink)
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Default 8820 on AT&T, UMA???

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Anyone know any rumors about the new 8820 on AT&T will support UMA??
We have heard rumors about the wifi the gps but seems everyone is glossing over the fact that this phone can use WiFi for voice which is a pretty cool option if you ask me. Will that work or will the be something that AT&T isnt going to support and/or cripple??
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Old 08-29-2007, 01:11 PM   #2 (permalink)
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Im not sure it AT&T offers UMA, but hey im a t-mobile subscriber so i may be wrong
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Old 08-29-2007, 01:14 PM   #3 (permalink)
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what i hear is that TMO will offer the @home service for 8820 and 8320
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Old 08-29-2007, 02:45 PM   #4 (permalink)
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AT&T doesn't have UMA capabilities nor will they ever. They will be implementing IMS over the next year or so. This is theoretically a superior service to UMA/GAN technology. The 8820 will only use Wi-Fi for the browser on AT&T and other non-TMOUS carriers.
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Old 08-29-2007, 04:12 PM   #5 (permalink)
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Quote:
Originally Posted by jibi View Post
AT&T doesn't have UMA capabilities nor will they ever. They will be implementing IMS over the next year or so. This is theoretically a superior service to UMA/GAN technology. The 8820 will only use Wi-Fi for the browser on AT&T and other non-TMOUS carriers.
Well thats a bummer.
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Old 08-30-2007, 08:23 AM   #6 (permalink)
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It's likely that an alternative voice over Wi-Fi protocol, SIP, will be supported by the 8820 in the long run. Not sure if AT&T supports it, though.
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Old 08-30-2007, 09:40 AM   #7 (permalink)
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well that kills the only reason i would want wifi on it. No thanks then.
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Old 08-30-2007, 03:51 PM   #8 (permalink)
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Quote:
Originally Posted by jibi View Post
AT&T doesn't have UMA capabilities nor will they ever. They will be implementing IMS over the next year or so. This is theoretically a superior service to UMA/GAN technology. The 8820 will only use Wi-Fi for the browser on AT&T and other non-TMOUS carriers.
Forgive me for possibly being lazy, but can you elaborate? What's the difference between IMS vs UMA? Why is IMS better?

Also, any more word on the timing of rollout for AT&T?

(If you have to go google to answer my questions, don't bother - but if you can explain it off the top of your head, would be appreciated.)
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Old 09-03-2007, 05:58 PM   #9 (permalink)
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man, if at&t is not going to let the 8820 do wifi for email and phone, in addition to browser, hard to justify my moving "up" from 8800. i have an unlimited blackberry data service (not sure i could find on new att site) and i can't find anything about uma or wifi. maybe it's too early but how much want to bet even after att starts selling 8820 to consumers there is no easy way to get a straight official answer on these issues


Data Connect Table | AT&T wireless services
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Old 09-03-2007, 09:08 PM   #10 (permalink)
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Quote:
Originally Posted by DallasFlier View Post
Forgive me for possibly being lazy, but can you elaborate? What's the difference between IMS vs UMA? Why is IMS better?

Also, any more word on the timing of rollout for AT&T?
Look at an evolution chart and think of IMS as 'man' and UMA as 'ape' - one is very complex and open-minded while the other is very simple and narrow-sighted

T-Mobile's adoption of UMA was a 'implement now' decision to give them an 'in-home' presence, as this was one key to what they lacked compared to all other major carriers in the United States. IMS is a fairly flexible technology that T-Mobile will likely implement on top of their UMA transport. As for time of implementation, from what I've read, it will start later this year (or it's already started) and continue through next year.
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Old 09-04-2007, 01:03 AM   #11 (permalink)
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ATT will allow wifi for email, basically all data, (BIS,BES,browsing, messenger). just not voice over wifi since they don't have UMA/GAN
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Old 09-04-2007, 01:41 AM   #12 (permalink)
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but will an unlocked 8820 on say tmo be able to do uma?
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Old 09-04-2007, 11:03 AM   #13 (permalink)
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ya it will, its controlled by the SIM, if the SIM is UMA capable them it will work.
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Old 09-05-2007, 01:18 AM   #14 (permalink)
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Quote:
Originally Posted by jibi View Post
Look at an evolution chart and think of IMS as 'man' and UMA as 'ape' - one is very complex and open-minded while the other is very simple and narrow-sighted

T-Mobile's adoption of UMA was a 'implement now' decision to give them an 'in-home' presence, as this was one key to what they lacked compared to all other major carriers in the United States. IMS is a fairly flexible technology that T-Mobile will likely implement on top of their UMA transport. As for time of implementation, from what I've read, it will start later this year (or it's already started) and continue through next year.
Good analogy jibi. Nice way to explain it. Tmo has already started implementing the layover IMS topology for their network. They are using our test equipment for it. Their issue was the IPv6 which was where they were lacking as far as gateway issues. In fixed networks, you have those gateways but since mobile was not really thought to go that route, its having to do "add-ons."

ATT is starting to as well, cept they are adding to their SIP stack to handle VOIP etc. They really are not fighting topologies, they compliment each other. UMA simply allows for the hand over for mobile devices to those features that IMS offers.

What will be interesting is to see the land line, cable carriers offers IMS packet services.
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Old 09-10-2007, 06:50 AM   #15 (permalink)
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i thin hey just grabbe i becas tls handse exclusivaty qhore whats funny is no appehas a domineering presence at theatt houseow you ca'tl this it makes ur prduct looks sub par. eknow its bad but by puting thisois out you break our hold wi the "fanboys"
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Old 09-10-2007, 07:01 AM   #16 (permalink)
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Huh?
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Old 09-10-2007, 07:15 AM   #17 (permalink)
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I can usually decipher Galvatron's posts, but this one has me totally befuddled.
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Old 09-10-2007, 07:17 AM   #18 (permalink)
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My decoder ring exploded.
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Old 09-10-2007, 08:00 AM   #19 (permalink)
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hahahahah. I don't think a period been used in all 600 plus posts....
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Old 09-10-2007, 08:12 AM   #20 (permalink)
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^^ I guess he is still getting used to the 8800 keyboard! I know I sent a few messages that looked like that while I was getting used to its new key spacing.

Quote:
Originally Posted by Galvatron View Post
i thin hey just grabbe i becas tls handse exclusivaty qhore whats funny is no appehas a domineering presence at theatt houseow you ca'tl this it makes ur prduct looks sub par. eknow its bad but by puting thisois out you break our hold wi the "fanboys"
I dont think apple feels threatened by the blackberry at all. Remember that by their most optinistic projections they only want 1% of the US phone market. (10 million sales)

There is plenty of room for people who want the best media experience and superior web browsing in a slick design to get the iphone and for people who care about fast, secure and reliable email with the ability to add 3rd party software to get blackberry.
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