I have a location that is unable to to dial a particular number. Our carrier uses ATT as the underlying carrier. Both the location and our clients ATT cell get the same error. We provide this info to our vendor support.
(When you do a carrier lookup on the mobile phone number it shows up as Cingular)
Vendor Support: “We checked the number and it doesn’t show up as AT&T, it shows up as Cingular Wireless. Please reach out to Cingular directly to have them assist.”
Anybody have a time machine?
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Send your carrier call examples and escalate.
Date and time of call Calling number (main or outgoing DID) Pcap and sip messaging taken where the carrier connection terminates, and your pbx if applicable Number(digits)dialed
Repeat until you have at least a half dozen call examples over a day or 3.
Open a ticket with your carrier and escalate through your account manager.
As far as the Cell, you can “try” with att wireless, but as Ernestine always said “We dont have to care, we’re the phone company.” The cell is just verification the isdue is probably with another carrier or the called parties carrier.
Yeah we sent several examples, the vendor just sucks. How don’t you know Cingular was bought by AT&T?
This was the closest I could get . 🤑 My old post in here is for a MCI / Verizon reverse look-up.
But if you get MaBELL on the Line, I could still use a longer antenna for my 90’s Motorola “Brick”. Thanks much!
“Telephone Line” SRV
I generally use 18004444444 for that