[VoiceOps] TMobile Sending Calls to LRN not Called Number

[Paul Timmins]

ugh, in the CalledPartyNumber field, not CallingParty. Have not had 
enough caffeine today. Might not be enough caffeine on the planet for today.

On 7/1/21 12:15 PM, Paul Timmins via VoiceOps wrote:
> STIR/SHAKEN isn't implemented at all in TDM world. I've had problems 
> on and off for years where a carrier will take SS7 traffic, send it 
> over some janky arrangement that strips the GenericAddress parameter 
> (where your actual destination number is hidden in the IAM - when you 
> dip in SS7 you send the LRN as your CallingPartyNumber, set the flag 
> indicating the call is dipped, and put the original TN in the 
> GenericAddressParameter field) and then I get a pile of calls from 
> specific carriers rocking into my LRN until I can get one of them to 
> call their carrier and report the issue, which fixes it.