VoIP Best Practices: STUN Implementation in VoIP Environment
In some ways, NAT (Network Address Translation) is both a blessing and a curse. The IP addresses in the Local Area Network are concealed thanks to the NAT protocol. Unfortunately, VoIP and NAT don’t get along that well, particularly when it comes to VoIP over UDP. And that’s where STUN comes in. For communication between endpoints behind … Read more
SIP Trunking Explained
Various ITSPs package their SIP trunking services in accordance with their philosophy. Some charge based on the fixed number of concurrent sessions (“trunk lines”), others charge squarely based on the number of minutes used by the sessions. Most telephone companies, large or small, nowadays offer SIP trunking. There are two categories of SIP trunking offerings targeted to different types of users…