這些電話經交換機處理，使用的媒介包括海底電纜、人造衛星、無線電、光纖及IP電話（VOIP）。
[{"id": "1", "form": "這些", "pos": "DET", "head": "2", "deprel": "det"}, {"id": "2", "form": "電話", "pos": "NOUN", "head": "6", "deprel": "nsubj"}, {"id": "3", "form": "經", "pos": "ADP", "head": "5", "deprel": "case"}, {"id": "4", "form": "交換", "pos": "VERB", "head": "5", "deprel": "compound"}, {"id": "5", "form": "機", "pos": "PART", "head": "6", "deprel": "obl"}, {"id": "6", "form": "處理", "pos": "VERB", "head": "0", "deprel": "root"}, {"id": "7", "form": "，", "pos": "PUNCT", "head": "6", "deprel": "punct"}, {"id": "8", "form": "使用", "pos": "VERB", "head": "10", "deprel": "acl:relcl"}, {"id": "9", "form": "的", "pos": "PART", "head": "8", "deprel": "mark:rel"}, {"id": "10", "form": "媒介", "pos": "NOUN", "head": "11", "deprel": "nsubj"}, {"id": "11", "form": "包括", "pos": "VERB", "head": "6", "deprel": "parataxis"}, {"id": "12", "form": "海底", "pos": "NOUN", "head": "13", "deprel": "nmod"}, {"id": "13", "form": "電纜", "pos": "NOUN", "head": "11", "deprel": "obj"}, {"id": "14", "form": "、", "pos": "PUNCT", "head": "17", "deprel": "punct"}, {"id": "15", "form": "人", "pos": "NOUN", "head": "16", "deprel": "nsubj"}, {"id": "16", "form": "造", "pos": "VERB", "head": "17", "deprel": "amod"}, {"id": "17", "form": "衛星", "pos": "NOUN", "head": "13", "deprel": "conj"}, {"id": "18", "form": "、", "pos": "PUNCT", "head": "20", "deprel": "punct"}, {"id": "19", "form": "無線", "pos": "VERB", "head": "20", "deprel": "compound"}, {"id": "20", "form": "電", "pos": "PART", "head": "13", "deprel": "conj"}, {"id": "21", "form": "、", "pos": "PUNCT", "head": "22", "deprel": "punct"}, {"id": "22", "form": "光纖", "pos": "NOUN", "head": "13", "deprel": "conj"}, {"id": "23", "form": "及", "pos": "CCONJ", "head": "25", "deprel": "cc"}, {"id": "24", "form": "IP", "pos": "X", "head": "25", "deprel": "nmod"}, {"id": "25", "form": "電話", "pos": "NOUN", "head": "13", "deprel": "conj"}, {"id": "26", "form": "（", "pos": "PUNCT", "head": "27", "deprel": "punct"}, {"id": "27", "form": "VOIP", "pos": "X", "head": "25", "deprel": "appos"}, {"id": "28", "form": "）", "pos": "PUNCT", "head": "27", "deprel": "punct"}, {"id": "29", "form": "。", "pos": "PUNCT", "head": "6", "deprel": "punct"}]