IP Telephony and Phones

 Local Zone: This is a collection of all devices that are registered with Cisco Expressway. The local zone is divided to subzones. These subzones include the automatically crated default subzone and up to 1000 manually configured subzones. In additio... view more

 Datacenter virtualization is the process of employing virtual hardware for designing, developing, and implementing the datacenters. It is often used as an umbrella term that entails different categories like application virtualization, server virtua... view more

Hiện nay trên thế giới có rất nhiều hãng sản xuất máy lọc nước ion kiềm đến từ Hàn Quốc, Nhật Bản, Đài Loan, Hoa Kỳ. Các thương hiệu với nhiều chủng loại với nhiều tính năng cũng như giá cả khác nhau không khỏi khiến người tiêu dùng đắn đo lựa chọn.Bài vi... view more

 When talking about Dial Plan and Digit Manipulation Cisco Unified Communication Manager, three components play an important roles to perform the transformation of the calling and called parties.The Translation Pattern, Transformation Pattern and Rou... view more

 ICE, STUN, and TURN are used to establish a MEDIA connection between two devices on different networks separated by firewalls and NAT servers. They do not apply to signaling between devices which means that if you cannot establish a signaling connec... view more