[tag=TO] ([lemma=a] | □) □
[tag=TO] ([lemma=a] | [□]) □
[tag=TO] ([lemma=a] | []) □
The earth terminals are located at colleges or other educational or governmental institutions and provide access to Internet , voice exchanges between the Pacific islands , and access to resources in the United States and the rest of the world . The telecommunications environment is evolving from circuit to packet , voice to voice-data-video , regulated to deregulated .