IP PBX common questions RSS

• - What is an auto-attendant?

  3CX includes a free auto-attendant / digital receptionist in 3CX IP PBX for Windows. Download 3CX Phone System for Windows and break free form your proprietary PBX!

• - What is a voice mail system?

  3CX includes a free voice mail system in 3CX IP PBX for Windows. Download 3CX Phone System for Windows free edition today!

• - What is IVR / interactive voice response?

  3CX Phone System for Windows has a built-in IVR / interactive voice response system to professionally handle business communications. Download 3CX Phone System for Windows now!

• - VOIP FAQ & Info

  The VOIP FAQ contains general information and questions and answers about VOIP technology. Use it as a starting point to learn about VOIP

• - Microsoft Response Point vs 3CX Phone System for Windows

  3CX Phone System for Windows is an IP PBX that does not tie your business to specific hardware and delivers a full set of enterprise level features. A completely functional FREE edition is available for download!

• - What are SIP Phones?

  3CX Phone System for Windows can be used with most popular hardware SIP Phones. Download the FREE version of 3CX IP PBX and enjoy the benefits of a SIP-based phone system in your business!

• - What are IP Phones / IP Telephones?

  Most popular IP Phones are supported by 3CX Phone System for Windows, a SIP-based IP PBX that evolves your business communications. Download the FREE edition today!

• - 10 reasons to switch to an IP PBX

  This whitepaper explains the top 10 benefits of an IP PBX which provide a compelling reason to throw out the old PBX and replace it with a new IP PBX. The whitepaper also provides a brief explanation of what an IP PBX is, how it works in a computer network and how it integrates with VOIP providers and PSTN Gateways.

• - What is Unified Communications?

  3CX Phone System for Windows delivers Unified Communications with a FREE IP PBX.  Download it NOW!

• - What is FOIP - Fax over IP?

  FOIP stands for Fax over IP and refers to the process of sending and receiving faxes via a VOIP network

• - What is T38?

  T38 is a protocol that describes how to send a fax over a computer data network. Download 3CX Phone System for Windows completely FREE and start receiving faxes through your IP PBX!

• - What different types of CODECS are there?

  A Codec converts an analog signal to a digital one for transmission over a data network

• - How does FAX work in VOIP environments?

  FAX was designed for analog networks, and does not interoperate well at all with VOIP networks

• - Example of SIP Call session between 2 phones

  A sip call session between 2 phones is established as follows

• - Can you list all known SIP responses?

  Here is a list all known SIP responses

• - What are SIP Methods / Requests and Responses?

  SIP uses Methods / Requests and corresponding Responses to establish a call session.

• - What is a SIP-URI?

  A SIP URI is the SIP addressing schema to call another person via SIP.

• - What SIP-based IP PBX's are available?

  3CX Phone System - a windows based IP PBX

• - What is RTCP - Real Time Transport Protocol?

  RTCP stands for Real Time Transport Protocol and is defined in RFC 3550. RTCP works hand in hand with RTP

• - What is RTP - Real Time Transport Protocol?

  RTP - short for Real Time Transport Protocol defines a standard packet format for delivering audio and video over the internet.

• - What is ECHO cancellation?

  Echo cancellation is the process of removing echo from a voice communication in order to improve the voice call quality.

• - What is H323?

  H323 is a set of standards from the ITU-T, which defines a set of protocols to provide audio and visual communication over a computer network.

• - What is SDP - Session Description Protocol?

  SDP, short for Session Description Protocol, is a format for describing streaming media initialization parameters.

• - What is SIP - Session Initiation Protocol?

  SIP, short for Session Initiation Protocol is an IP telephony signaling protocol used to establish, modify and terminate VOIP telephone calls.

• - What is Voice over IP?

  Voice over IP is the same as Voice over Internet Protocol, and is better known as VoIP.

• - What is a PBX Phone System?

  Download the Free edition of 3CX IP PBX for Windows and break free from your proprietary PBX phone system.

• - What is a VoIP Telephone?

  Download 3CX VOIP telephone for Windows. A free VOIP phone that is easy to use and supports multiple SIP providers.

• - What is DID - Direct Inward Dialing?

  DID - Direct Inward Dialing (also called DDI in Europe) is a feature offered by telephone companies for use with their customers' PBX system, whereby the telephone company (telco) allocates a range of numbers associated with one or more phone lines

• - What are the benefits of an IP PBX?

  Much easier to install & configure than a proprietary phone system....

• - What is a good source of VOIP info?

  Download the FREE edition of 3CX VoIP PBX with unlimited number of extensions and no time outs!

SIP & VOIP common questions RSS

• - What is an auto-attendant?

  3CX includes a free auto-attendant / digital receptionist in 3CX IP PBX for Windows. Download 3CX Phone System for Windows and break free form your proprietary PBX!

• - What is a voice mail system?

  3CX includes a free voice mail system in 3CX IP PBX for Windows. Download 3CX Phone System for Windows free edition today!

• - What is IVR / interactive voice response?

  3CX Phone System for Windows has a built-in IVR / interactive voice response system to professionally handle business communications. Download 3CX Phone System for Windows now!

• - VOIP FAQ & Info

  The VOIP FAQ contains general information and questions and answers about VOIP technology. Use it as a starting point to learn about VOIP

• - Microsoft Response Point vs 3CX Phone System for Windows

  3CX Phone System for Windows is an IP PBX that does not tie your business to specific hardware and delivers a full set of enterprise level features. A completely functional FREE edition is available for download!

• - What are SIP Phones?

  3CX Phone System for Windows can be used with most popular hardware SIP Phones. Download the FREE version of 3CX IP PBX and enjoy the benefits of a SIP-based phone system in your business!

• - What are IP Phones / IP Telephones?

  Most popular IP Phones are supported by 3CX Phone System for Windows, a SIP-based IP PBX that evolves your business communications. Download the FREE edition today!

• - 10 reasons to switch to an IP PBX

  This whitepaper explains the top 10 benefits of an IP PBX which provide a compelling reason to throw out the old PBX and replace it with a new IP PBX. The whitepaper also provides a brief explanation of what an IP PBX is, how it works in a computer network and how it integrates with VOIP providers and PSTN Gateways.

• - What is Unified Communications?

  3CX Phone System for Windows delivers Unified Communications with a FREE IP PBX.  Download it NOW!

• - What is FOIP - Fax over IP?

  FOIP stands for Fax over IP and refers to the process of sending and receiving faxes via a VOIP network

• - What is T38?

  T38 is a protocol that describes how to send a fax over a computer data network. Download 3CX Phone System for Windows completely FREE and start receiving faxes through your IP PBX!

• - What different types of CODECS are there?

  A Codec converts an analog signal to a digital one for transmission over a data network

• - How does FAX work in VOIP environments?

  FAX was designed for analog networks, and does not interoperate well at all with VOIP networks

• - Example of SIP Call session between 2 phones

  A sip call session between 2 phones is established as follows

• - Can you list all known SIP responses?

  Here is a list all known SIP responses

• - What are SIP Methods / Requests and Responses?

  SIP uses Methods / Requests and corresponding Responses to establish a call session.

• - What is a SIP-URI?

  A SIP URI is the SIP addressing schema to call another person via SIP.

• - What SIP-based IP PBX's are available?

  3CX Phone System - a windows based IP PBX

• - What is RTCP - Real Time Transport Protocol?

  RTCP stands for Real Time Transport Protocol and is defined in RFC 3550. RTCP works hand in hand with RTP

• - What is RTP - Real Time Transport Protocol?

  RTP - short for Real Time Transport Protocol defines a standard packet format for delivering audio and video over the internet.

• - What is ECHO cancellation?

  Echo cancellation is the process of removing echo from a voice communication in order to improve the voice call quality.

• - What is H323?

  H323 is a set of standards from the ITU-T, which defines a set of protocols to provide audio and visual communication over a computer network.

• - What is SDP - Session Description Protocol?

  SDP, short for Session Description Protocol, is a format for describing streaming media initialization parameters.

• - What is SIP - Session Initiation Protocol?

  SIP, short for Session Initiation Protocol is an IP telephony signaling protocol used to establish, modify and terminate VOIP telephone calls.

• - What is Voice over IP?

  Voice over IP is the same as Voice over Internet Protocol, and is better known as VoIP.

• - What is a PBX Phone System?

  Download the Free edition of 3CX IP PBX for Windows and break free from your proprietary PBX phone system.

• - What is a VoIP Telephone?

  Download 3CX VOIP telephone for Windows. A free VOIP phone that is easy to use and supports multiple SIP providers.

• - What is DID - Direct Inward Dialing?

  DID - Direct Inward Dialing (also called DDI in Europe) is a feature offered by telephone companies for use with their customers' PBX system, whereby the telephone company (telco) allocates a range of numbers associated with one or more phone lines

• - What are the benefits of an IP PBX?

  Much easier to install & configure than a proprietary phone system....

• - What is a good source of VOIP info?

  Download the FREE edition of 3CX VoIP PBX with unlimited number of extensions and no time outs!

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