How does SMS to MMS actually work?
So my kids have Apple 4s devices and my wife and I have SG3s. My office is in an area where I am severely shadowed from a Verizon tower so I get marginal 1X service at best. But, because of what I do, I have beyond robust WiFi access.
So when I send my kids a text... I sit and watch a myriad of nothing really happening other then the little circle timer spinning next to the message and on occasion, a green and red up/down arrow for my WiFi... which really could be anything with this chatty OS and embedded apps. Eventually, the message gets sent. Sometimes a few seconds... sometimes a few minutes.
My question is... how does SMS to MMS really operate in Verizon's network on the SG3? Besides for the obvious voodoo, magic, and smoke and mirrors....
- 10-31-2013, 01:27 PM #2
- 3,035 Posts
Re: How does SMS to MMS actually work?
SMS (text messages with no attachments, totaling 160 characters or less) are sent using the cellular signal, which doesn't have anything to do with the 1x/3G/LTE mobile data connection. (Note that different carriers seem to handle the 160 character limit differently, so you may be able to send a TM with more characters and still have it be treated like an SMS.)
MMS (messages with an attachment, or to a group of recipients, or even just including a 'Subject', or exceeding the carrier-specific character limit) are sent using the mobile data connection, and will NOT be transmitted over a Wi-Fi connection. So if you have a non-existant/poor mobile data connection, your MMS may not be sent/received until you go somewhere with a better signal.
This also accounts for the reason that, even if you're on Wi-Fi, you'll briefly see the mobile data icon show up in the Status bar. HTH.
Sent from my rooted, debloated, deodexed Sinclair ZX-80 running CM 10.2 using Tapatalk 4
- 11-04-2013, 10:20 PM #3
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