Where does this definition of subscriber trunk dialling come from?
This entry for subscriber trunk dialling is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is subscriber trunk dialling a noun, verb, or something else?
In this entry, subscriber trunk dialling is tagged as 2n..
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.