Category Archives : 3CX

3CX FAQ: Legacy Technology (ISDN)

On February 8, 2018, Posted by , In 3CX, With No Comments

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 No Comments

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 No Comments

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 No Comments

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 No Comments

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 No Comments

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 No Comments

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 No Comments

Video: Advanced Training

On October 2, 2017, Posted by , In 3CX,Videos, With No Comments

Video: 3CX

On October 2, 2017, Posted by , In 3CX,Videos, With No Comments

— / — 3CX Videos 3CX: The Future of Communications Today Why Choose 3CX Phone System Provisioning your Avaya IP Phones with 3CX