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Title: The oldest and most widely used VoIP protocol suite is ____. Post by: Hummer on Jan 31, 2018 The oldest and most widely used VoIP protocol suite is ____.
a. H.323 b. H.264 c. SIP d. Q.931 Title: The oldest and most widely used VoIP protocol suite is ____. Post by: cedd123 on Jan 31, 2018 Content hidden
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