A Comparison of PSTN and IP Traffic From 1997 to 2015. Slides start on page #4.
[slideshare id=8515037&doc=acomparisonofpstnandiptrafficfrom1997to2015-110705135902-phpapp02&type=d]
A Comparison of PSTN and IP Traffic From 1997 to 2015. Slides start on page #4.
[slideshare id=8515037&doc=acomparisonofpstnandiptrafficfrom1997to2015-110705135902-phpapp02&type=d]
I think Todd Taylor over at OPS Rules accurately captures
For the last 18 years, CEA has conducted and published