Category Archives : 3CX

3CX FAQ: Legacy Technology (ISDN)

On February 8, 2018, Posted by , In 3CX, With

What Do FXS and FXO Mean? What is a TDM PBX? What do the Terms FXS and FXO Mean? FXS and FXO are the name of the ports used by analog phone lines (also known as POTS – Plain Old Telephone Service) or phones. The expression “POTS” was initially intended…

3CX FAQ: Other Functionalities

On February 8, 2018, Posted by , In 3CX, With

What is ECHO Cancellation? What Does ENUM Mean? Different Types of CODECS? What is Echo Cancellation? Before we talk about echo cancellation, we should briefly define “echo” in a telephony context. What is Echo? Echo, in a telephony context, is a situation where a person’s voice in the outgoing stream…

3CX FAQ: Features and Benefits of an IP PBX

On February 8, 2018, Posted by , In 3CX, With

What is an Auto-attendant? Benefits of an IP PBX VoIP Phone System? How an IP PBX / VoIP Phone System Works What is IVR? What is DID – Direct Inward Dialing? What is a Voicemail System? What are the Benefits of an IP PBX? What is Unified Communications? What is…

3CX FAQ: All About SIP

On February 7, 2018, Posted by , In 3CX, With

Can you List all Known SIP Responses? What are SIP Phones? SIP Call Session Between 2 Phones What SIP-based IP PBX’s are Available? What is a SIP Server? Sip Phones / VoIP Phones Types What is SIP? What is SIP Forking? SIP Methods / Requests and Responses? What are SIP…

3CX FAQ: Other Protocols

On February 7, 2018, Posted by , In 3CX, With

What is RTP? What is SDP? What is H323? What is RTCP? What is RTP – Real-time Transport Protocol? TRTP – short for Real-time Transport Protocol defines a standard packet format for delivering audio and video over the Internet. It is defined in RFC 1889. It was developed by the…

3CX FAQ: How does Fax work with VoIP

On February 7, 2018, Posted by , In 3CX, With

What is T38 fax What is FoIP – Fax over IP? FAX Work in VoIP Environments What is Fax to Email? What is T38 Fax? T38 is a protocol that describes how to send a fax over a computer data network. It is needed because fax data can not be…

3CX FAQ: Hosted/Virtual/Cloud

On February 7, 2018, Posted by , In 3CX, With

What is a Hosted PBX? Hosted PBX Vs On-Premise Hosted PBX Provider – What to look for A Hosted PBX for your business? What is a Hosted PBX? A Hosted PBX is a private branch exchange (PBX) delivered as a hosted service. It’s also known as a Virtual PBX and…

Video: How to Guides

On October 2, 2017, Posted by , In 3CX,Videos, With

Video: Advanced Training

On October 2, 2017, Posted by , In 3CX,Videos, With

Video: 3CX

On October 2, 2017, Posted by , In 3CX,Videos, With