Due to this high prevalence, vertebral artery hypoplasia (VAH) has not yet been considered an independent risk factor for ischemic stroke [1,2].
How to use your own headphones on Americanâs new 777-300ER. Passengers traveling in First and Business Class on Americanâs new 777-300ER are provided with Bose QuietComfort 15 Acoustic Noise Canceling headphones to use during the flight.
OvisLink headset models OVHS072-AVY (single-ear) and OVHS084-AVY (dual ear) are compatible with following Avaya Desktop phones: 1  Avaya / Nortel 1100 Series IP Deskphones (1120, 1140, 1165) 2  Avaya / Nortel 1200 Series IP Deskphones (1210, 1220, 1230) 3  Avaya 1400 Series Digital Deskphones (1408, 1416)