Data & Messaging Features, Internet Tethering

Hi! I need to know the international roaming IP exits.  Are they always US IP addresses?  If so, which IPs are used?  I need this for allowing employees who are allowed to be international, and restricting employees who are not supposed to work internationally.  For example, an

It's on my device already. When I travel, I want to use that service instead of the IDP. Questions: Do I have to do anything when I get to the foreign country other than start using my phone? Should I turn roaming on or off? I assume there are no other charges other than usage. Thank you very m

I took the SIM card of my phone out to just give it a normal cleaning and accidentally put it in the wrong phone (I was cleaning 2 SIM cards) the data popped up for the other phone but realizing my mistake I took it back out and put it in the correct phone but now no data is showing up and the SIM c

Not receiving verification codes from AT&T or banks while on airplane mode

I am an active ATT Wireless customer and I also operate a telephone based service that sends out on-demand, opt-in only advertisements and CC receipts via SMS directly from the phone number being called by the recipient. My system was operating perfectly until recently, when apparently your company

Hello,Around where I live I like to go on walks but now for over a year I miss calls and text while I do so. My phone shows that I have full bars and 5G but I am unable to receive calls along with use the internet. I have tried what other people have shown and suggested (restarting, etc.) but nothin

I get 10-30 messages a day and want to delete all of them at once. So far, have been unable to do this.  Flip phone U102AAModel: 

Is there a way to disable the short codes you can call from a line on an AT&T Wireless account? (The ones that provide account information, such as *225# to check the account balance.) It’s not a big deal or anything but I was just curious if it’s possible to do.

With the advent of 5G and much more advanced networks, can someone explain why the MMS size limit is still 1MB. I know there are other messaging options, including RCS, but that's not what I'm asking about. I still have to message with iPhones. I may not understand the reasons behind the limit or

Ever since I purchased my PS portal, I am always having having issues with hotspot from phone. Portal connects to PS5 fine, then it seems to degrade around 10-15 mins and then gets super lagging and eventually disconnects. It will eventually reconnect but always the same. I check speed and usually