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Home Q & A Board Science-Related Homework Help Engineering Electrical Engineering
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Leikakei113 Leikakei113
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6 years ago
The world's public switched telephone networks, both wireline and mobile, communicate with each other by means of a signaling protocol known as __________________.
 
  A. private branch exchange (PBX)
  B. Signaling System 7
  C. public switched telephone network (PSTN)
  D. public data network (PDN)
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XuantunichXuantunich
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6 years ago
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Leikakei113 Author
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6 years ago
Thank you, thank you, thank you!
bbbbbbbh
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Yesterday
You make an excellent tutor!
jodie1
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2 hours ago
Brilliant ツ
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