Thomas L.
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Sprint VoLTE Discussion Thread Redux
Thomas L. replied to lilotimz's topic in Network, Network Vision/LTE Deployment
Something that's interesting, when I do a network search on my essential phone, 312-530 shows up as an option, but it is "forbidden" and I can't connect to it. I wonder if anyone knows what that's about. -
Sprint VoLTE Discussion Thread Redux
Thomas L. replied to lilotimz's topic in Network, Network Vision/LTE Deployment
Interesting, that's been used for MagicBoxes previously. -
That would be my assumption as well, and it is in the LA market, but I was in the South Bay last week and it was not enabled, so I'm not sure what's going on or what the delay is.
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My unlocked Essential Phone did a profile/SIM card update when I restarted just now, and I'm not sure if it did before, but it has the toggle for enhanced 4G LTE mode (VoLTE). I'm not in a soft-launch market so I'm unable to confirm whether or not it's enabled. Theoretically the IMS app on the SIM card is the only thing needed if the phone's firmware supports VoLTE.
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Sprint VoLTE Discussion Thread Redux
Thomas L. replied to lilotimz's topic in Network, Network Vision/LTE Deployment
I have no doubt Sprint will restrict devices in the same way AT&T does when it comes to VoLTE use. Sprint is by far the most restrictive carrier when it comes to devices, even if it is a fully compatible device... -
That's true without a doubt, it sucks in terms of RF performance compared to be LG V20, but Android P seemed to make it even worse - it doesn't aggregate carriers like it did before. I might actually downgrade to see.
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My performance on Android P. on my Essential phone has been a lot crappier too. I thought it was just in my head but maybe that's it.
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[PSA] Sprint announces GEN3 (4th iteration) Magic Box
Thomas L. commented on lilotimz's blog entry in The Wall
It'll support CDMA voice as well! That's a big deal! -
Verizon now supports VoLTE devices with no CDMA including certain GSM/WCDMA/LTE iPhones. If you can set the Verizon SIM to LTE only you shouldn't have any problem. Non-CDMA phones on Verizon even get provisioned automatically to roam on ATT HSPA+ in several areas where CDMA/LTE Verizon phones don't, probably in anticipation of the CDMA network shutdown.
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Sprint to Begin VoLTE Soft Launch in September
Thomas L. commented on lilotimz's blog entry in The Wall
I don't see why not, China Mobile does it, although they have more than a million base stations in China due to the smaller coverage of band 38/41. The main thing is that changes between bands are dynamic and without disruption, so if band 41 gets weak it'll switch seamlessly to band 25 or 26 and back again. -
Sprint to Begin VoLTE Soft Launch in September
Thomas L. commented on lilotimz's blog entry in The Wall
So how do we do the manual opt-in, btw? -
They didn't necessarily admit it - they just claimed it as a way of garnishing support for the merger.
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Where is this?
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So it seems to be that T-Mobile roaming has been primarily rolled out in areas where VoLTE is launching. Has anyone seen it in none VoLTE areas? I had an interesting experience in the LA Metro market - my phone locked onto T-Mobile roaming ("Clearwire Band 4") and would not let go even when I cycled airplane mode in an area with Sprint. I thought that was interesting - the roaming agreement must be extremely favorable to Sprint/have basically no cost to them.
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This is the reason that I think Sprint has been forced to move forward with VoLTE even though I don't know that the network coverage is really there - without it they won't be able to ensure voice outside of their paltry LTE coverage area because CDMA roaming will be unavailable. They have to build out the IMS backend and get it set up so they're ready. VoLTE roaming should work on T-Mobile.
