An IP PBX or VoIP phone system replaces a traditional PBX or phone system and gives employees mobility, with a single portable extension number, the ability to hold audio and video conferences, and to call colleagues free using Voice-over-Internet-Protocol (VoIP). All calls are sent via packets over a data network instead of using the traditional phone network. With the use of a VoIP gateway, you can connect existing phone lines to the IP PBX and make and receive phone calls via a regular PSTN line. The IP PBX, SIP & VoIP FAQ helps answer common questions about VoIP, SIP, IP PBX / VoIP Phone System hardware and software, implementation and more.
Some of the most common questions about SIP are answered in this IP PBX, SIP & VoIP FAQ.
|Hosted / Virtual / Cloud||How does Fax work with VoIP||Other Protocols|
|What is a Hosted PBX?||What is T38 fax?||What is RTP?|
|Hosted PBX Vs On-Premise||What is FoIP – Fax over IP?||What is SDP?|
|Hosted PBX Provider – What to look for||FAX Work in VoIP Environments||What is H323?|
|A Hosted PBX for your business?||What is Fax to Email?||What is RTCP?|
|Other Functionalities||Legacy Technology (ISDN)|
|What is ECHO Cancellation?||What Do FXS and FXO Mean?|
|What Does ENUM Mean?||What is a TDM PBX?|
|Different Types of CODECS?|
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