 NOCManMacChatterPremium
join:2004-09-30
Colorado Springs, CO | No Path for Upgrade Text messaging uses the SS7 network plus, the page and sync channels of cellular towers. Page and Sync channels are what keeps your phone on the network when you're not on a call. When someone calls you the P&S channel pages your phone and sets the call up on a channel. There are only so many P&S channels available per tower and as text messages increase you begin to run into hard limits.
One problem with cell phones is that they currently require a text message sent to them to tell the phone to pull down data or start or update a service.
On the flip side. Delivery notification is just that. The system still ensures that the text message is delivered much in the way that email servers continue for several days to hours to attempt delivery of a email address. That is why you do not see the bounce message sometimes for days.
What Verizon eliminated is the return receipt you would get from using vtext.com. I'm not aware of any phone that did delivery receipts via the handset itself. So it's a really small subset of customers and probably more spammers using that feature than anything.
I agree SMS prices are out of whack, and it appears that if the cellco's do not do anything about those prices the government will do it for them. |
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 chrisPoor Impulse ControlPremium
join:2000-08-13
Middletown, CT | said by NOCMan:What Verizon eliminated is the return receipt you would get from using vtext.com. I'm not aware of any phone that did delivery receipts via the handset itself. I was about to say the same thing. I used to have VZW and now have ATT - I never got confirmation of delivery on my VZW phone nor do I get them with my ATT phone. |
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said by NOCMan:Text messaging uses the SS7 network plus, the page and sync channels of cellular towers. Page and Sync channels are what keeps your phone on the network when you're not on a call. When someone calls you the P&S channel pages your phone and sets the call up on a channel. There are only so many P&S channels available per tower and as text messages increase you begin to run into hard limits. There used to be a method by which one could use the GPRS data channel to send text messages on the ATT (and other GSM providers) network and avoid that problem... Problem is that, last I checked, most of the providers had blocked that ability for whatever reason.
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Eleven years of carrying The Clue Bat... |
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On my VZW BlackBerry, the check mark next to an SMS messages gets a little D above it when delivered. I don't get a message, just the little D.
Also, in BlackBerry messenger (which is just conversational SMS IMHO) The D turns to an R after the recipient reads the message. |
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 bklynitePremium
join:2001-03-18
Brooklyn, NY | reply to NOCMan
said by NOCMan:What Verizon eliminated is the return receipt you would get from using vtext.com. I'm not aware of any phone that did delivery receipts via the handset itself. So it's a really small subset of customers and probably more spammers using that feature than anything. Every verizon handset that can text gets delivery confirmations in the form of a checkmark next to the envelope in your Sent box. You can click the message and view details to see exactly when it was delivered. Windows Mobile phones get them in the form of another text message saying "Your message to [phone number] was delivered." |
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