So for canadian TSPs having TDM based networks, they will be able to implement Shaken-STIR without any major issues? can you elaborate a bit on canadian networks, thanks

1. General Battling Robocallers with STIR/SHAKEN
1

As shown in the presentation, TDM service providers can utilize TelcoBridges Tmedia gateways can facilitate adding identity tokens and verify tokens.

2

An explanation of “Out of Band” SHAKEN: