SIP
Voice quality issues are caused by an issue in the path between the caller and callee. The path usually consists of your handset, the connection between...
Sat, 20 Apr, 2019 at 12:25 AM
Introduction Many of today's commercial routers implement SIP ALG (Application-level gateway), coming with this feature enabled by default. While ALG c...
Mon, 11 Feb, 2019 at 5:47 PM