PSTN Signaling in the United States Uses ________

question 22

Multiple Choice

PSTN signaling in the United States uses ________.

• A)Signaling System 7
• B)ATM
• C)TDM
• D)SIP
• E)Both b.and c.

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Definitions:

Vertebral Artery

The vertebral artery is one of the major arteries of the neck that supplies blood to the brain, particularly the posterior portion, including the cerebellum and the brainstem.

Posterior Cerebral Artery

A blood vessel that supplies blood to the occipital lobe of the brain, important for vision.

Innominate Artery

Another term for the brachiocephalic artery, which is a major blood vessel that supplies blood to the right arm and the right side of the head and neck.

External Carotid Artery

A major artery that supplies oxygenated blood to various facial and cranial structures.