Home > Term: operator trunks
operator trunks
A general term, ordinarily applied to trunks between manually operated switchboard positions and local dial central offices in the same wire center.
- ส่วนหนึ่งของคำพูด: noun
- อุตสาหกรรม/ขอบเขต: Telecommunications
- Category: General telecom
- Company: ATIS
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