Alberto Sagredo Castro

Valencia Area, Spain Spain

Consultant and Trainer VoIP Engineer

Telecom / Mobile

36 years old. Married . Two sons. Linux Advanced Skills. TCP/IP, Network and H-A solutions. VoIP Protocols : H323 , SIP, IAX, MGCP ISDN, SS7, GSM, UMTS. VoIP Customer Hardware: Linksys, Cisco, Atcom, Digium, Snom, Epygi, Polycom, Vegastream ,Aastra, Topex, Panasonic, Yealink, Grandstream, Mediatrix , Sangoma, Patton VoIP Engineer and Consultant. Asterisk Consultant: High level skills developping solutions under Linux and Asterisk. Openser/ Kamailio Consultant. VoIP Instructor for so many courses. Asterisk Advanced Teacher for so many years. Kamailio Instructor. dCAP certification Elastix Certified Engineer (ECE) Nº 210222153 Cisco 700-501 Certified Cisco 700-505 Certified ..