/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: JeffCotter1 https://cdn.slidesharecdn.com/profile-photo-JeffCotter1-48x48.jpg?cb=1582576385 Over 30 years of combined voice and data experience. Holding industry certifications for both Nortel and Cisco voice and data design and implementation. Installation and maintenance of Cisco and Nortel UC products and technologies. http://www.voxnetworksolutions.com