NYTimes: Verizon rejects pro-choice group’s messages →
https://marco.org/2007/09/27/nytimes-verizon-rejects-pro-choice-groups-messages
They’re prohibiting Naral Pro-Choice America from sending text messages to Naral’s own subscribers. This isn’t spam - it’s an opt-in mailing list.
The laws that forbid common carriers from interfering with voice transmissions on ordinary phone lines do not apply to text messages.
The dispute over the Naral messages is a skirmish in the larger battle over the question of “net neutrality” — whether carriers or Internet service providers should have a voice in the content they provide to customers.