... , to connect to the existing PSTN lines (optional though). The IP PBX server functions quite similar to a proxy server. The SIP or VoIP phones, which can be either hardware phones or soft phones, has to register with the IP PBX server, and when they ... Read more »
VoIP Resellership: Minimum Investment and Maximum Benefits
... of fact, quite a few casual users are also opting for this service. With the passage of time, the users of PSTN services are switching over to IP telephony. The main difference between the PSTN and VoIP services is that the latter uses broadband ... Read more »
Siemens New OpenStage SIP Handsets
... revolutionary new design that combines ease-of-use with PC functionality. In addition,
OpenStage phones utilize Session Initiation Protocol (SIP) to integrate wired, wireless and IP communications to invoke new
conferencing and call ... Read more »
Twitter