Uploaded April 2026 | Updated September 2026, 1 week ago
Talk by Alex Balashov
socallinuxexpo.org/scale/23x/presentations/changing-american-pstn-core
As recently as 2015, Alex Balashov was on record saying that SS7 and TDM steadfastly remain as the essential building blocks of a reliable PSTN, and that the triumphant proclamations of IP peering were something of a laughingstock, or at least premature. Well, the much-vaunted move to IP peering in the core of the PSTN itself has finally happened, and has been rapidly gaining steam in the last 5-10 years. The ILEC tandems do not play the role they once did, and the landscape is shifting rapidly.
Talk by Alex Balashov
socallinuxexpo.org/scale/23x/presentations/changing-american-pstn-core
As recently as 2015, Alex Balashov was on record saying that SS7 and TDM steadfastly remain as the essential building blocks of a reliable PSTN, and that the triumphant proclamations of IP peering were something of a laughingstock, or at least premature. Well, the much-vaunted move to IP peering in the core of the PSTN itself has finally happened, and has been rapidly gaining steam in the last 5-10 years. The ILEC tandems do not play the role they once did, and the landscape is shifting rapidly.
