SIP and VOIP FAQ http://www.3cx.com Answers common questions about VOIP and SIP. Covers VOIP technology, software and the SIP protocol. en-us Copyright 2006 2006 All rights reserved. 3CX Software Ltd. info@3cx.com info@3cx.com What is IVR / interactive voice response? http://www.3cx.com/PBX/ivr.html Wed, 30 Apr 2008 10:30:05 +0100 http://www.3cx.com/PBX/ivr.html What is a voice mail system? http://www.3cx.com/PBX/voicemail-system.html Wed, 30 Apr 2008 10:30:05 +0100 http://www.3cx.com/PBX/voicemail-system.html What is an auto-attendant? http://www.3cx.com/PBX/auto-attendant.html Wed, 30 Apr 2008 10:30:05 +0100 http://www.3cx.com/PBX/auto-attendant.html What are IP Phones / IP Telephones? http://www.3cx.com/PBX/ip-phones.html Tue, 23 Oct 2007 10:30:05 +0100 http://www.3cx.com/PBX/ip-phones.html What are SIP Phones? http://www.3cx.com/PBX/sip-phones.html Tue, 23 Oct 2007 10:30:05 +0100 http://www.3cx.com/PBX/sip-phones.html Microsoft Response Point vs 3CX Phone System for Windows http://www.3cx.com/PBX/microsoft-response-point.html Tue, 23 Oct 2007 10:30:05 +0100 http://www.3cx.com/PBX/microsoft-response-point.html VOIP FAQ & Info http://www.3cx.com/PBX/VOIP-faq.html Tue, 23 Oct 2007 10:30:05 +0100 http://www.3cx.com/PBX/VOIP-faq.html 10 reasons to switch to an IP PBX http://www.3cx.com/PBX/pbx-benefits-wp.html Mon, 05 Feb 2007 13:47:21 +0100 http://www.3cx.com/PBX/pbx-benefits-wp.html What is Unified Communications? http://www.3cx.com/PBX/Unified-communications.html Wed, 24 Jan 2007 09:13:55 +0100 http://www.3cx.com/PBX/Unified-communications.html What is FOIP - Fax over IP? http://www.3cx.com/PBX/FOIP.html Mon, 30 Oct 2006 12:22:13 +0100 http://www.3cx.com/PBX/FOIP.html What is T38? http://www.3cx.com/PBX/t38.html Mon, 30 Oct 2006 12:10:39 +0100 http://www.3cx.com/PBX/t38.html What different types of CODECS are there? http://www.3cx.com/PBX/codecs.html Mon, 30 Oct 2006 12:08:06 +0100 http://www.3cx.com/PBX/codecs.html How does FAX work in VOIP environments? http://www.3cx.com/PBX/FAX-VOIP.html Mon, 30 Oct 2006 12:06:01 +0100 http://www.3cx.com/PBX/FAX-VOIP.html Example of SIP Call session between 2 phones http://www.3cx.com/PBX/SIP-call-session.html Mon, 30 Oct 2006 11:57:27 +0100 http://www.3cx.com/PBX/SIP-call-session.html Can you list all known SIP responses? http://www.3cx.com/PBX/SIP-responses.html Mon, 30 Oct 2006 11:46:03 +0100 http://www.3cx.com/PBX/SIP-responses.html What are SIP Methods / Requests and Responses? http://www.3cx.com/PBX/SIP-methods.html Mon, 30 Oct 2006 11:40:54 +0100 http://www.3cx.com/PBX/SIP-methods.html What is a SIP-URI? http://www.3cx.com/PBX/SIP-URI.html Mon, 30 Oct 2006 11:34:43 +0100 http://www.3cx.com/PBX/SIP-URI.html What SIP-based IP PBX's are available? http://www.3cx.com/PBX/ip-pbx-examples.html Tue, 24 Oct 2006 10:30:42 +0100 http://www.3cx.com/PBX/ip-pbx-examples.html What is RTCP - Real Time Transport Protocol? http://www.3cx.com/PBX/RTCP.html Tue, 24 Oct 2006 09:24:00 +0100 http://www.3cx.com/PBX/RTCP.html What is RTP - Real Time Transport Protocol? http://www.3cx.com/PBX/RTP.html Tue, 24 Oct 2006 09:22:21 +0100 http://www.3cx.com/PBX/RTP.html What is ECHO cancellation? http://www.3cx.com/PBX/echo.html Tue, 24 Oct 2006 09:20:51 +0100 http://www.3cx.com/PBX/echo.html What is H323? http://www.3cx.com/PBX/H323.html Tue, 24 Oct 2006 09:18:48 +0100 http://www.3cx.com/PBX/H323.html What is SDP - Session Description Protocol? http://www.3cx.com/PBX/SDP.html Tue, 24 Oct 2006 09:17:05 +0100 http://www.3cx.com/PBX/SDP.html What is a VoIP Telephone? http://www.3cx.com/PBX/voip-telephone.html Tue, 24 Oct 2006 09:13:55 +0100 http://www.3cx.com/PBX/voip-telephone.html What is a PBX Phone System? http://www.3cx.com/PBX/pbx-phone-system.html Tue, 24 Oct 2006 09:13:55 +0100 http://www.3cx.com/PBX/pbx-phone-system.html What is Voice over IP? http://www.3cx.com/PBX/voice-over-ip.html Tue, 24 Oct 2006 09:13:55 +0100 http://www.3cx.com/PBX/voice-over-ip.html What is SIP - Session Initiation Protocol? http://www.3cx.com/PBX/SIP.html Tue, 24 Oct 2006 09:13:55 +0100 http://www.3cx.com/PBX/SIP.html What is DID - Direct Inward Dialing? http://www.3cx.com/PBX/DID.html Tue, 24 Oct 2006 09:11:54 +0100 http://www.3cx.com/PBX/DID.html What are the benefits of an IP PBX? http://www.3cx.com/PBX/ip-pbx-benefitfaq.html Mon, 23 Oct 2006 15:09:05 +0100 http://www.3cx.com/PBX/ip-pbx-benefitfaq.html What is a good source of VOIP info? http://www.3cx.com/PBX/voip-source.html Tue, 29 Aug 2006 15:48:34 +0100 http://www.3cx.com/PBX/voip-source.html What is a SIP server? http://www.3cx.com/PBX/sip-server.html Tue, 29 Aug 2006 15:46:40 +0100 http://www.3cx.com/PBX/sip-server.html What is a STUN Server? http://www.3cx.com/PBX/stun-server.html Tue, 29 Aug 2006 15:42:32 +0100 http://www.3cx.com/PBX/stun-server.html What does ENUM mean? http://www.3cx.com/PBX/ENUM.html Sat, 06 May 2006 09:41:40 +0100 http://www.3cx.com/PBX/ENUM.html Check out these VOIP blogs and VOIP links http://www.3cx.com/PBX/VOIP-links.html Sat, 15 Apr 2006 11:30:26 +0100 http://www.3cx.com/PBX/VOIP-links.html VOIP-defined http://www.3cx.com/PBX/VOIP-definition.html Sat, 15 Apr 2006 10:07:41 +0100 http://www.3cx.com/PBX/VOIP-definition.html IP PBX: How an IP PBX / VOIP phone system works http://www.3cx.com/PBX/IP-PBX-overview.html Fri, 14 Apr 2006 14:20:37 +0100 http://www.3cx.com/PBX/IP-PBX-overview.html What do the terms FXS and FXO mean? http://www.3cx.com/PBX/FXS-FXO.html Mon, 03 Apr 2006 12:38:01 +0100 http://www.3cx.com/PBX/FXS-FXO.html VOIP gateway information - Learn about VOIP gateways http://www.3cx.com/PBX/VOIP-gateway.html Mon, 27 Mar 2006 15:28:46 +0100 http://www.3cx.com/PBX/VOIP-gateway.html Sip phones / VOIP Phones types http://www.3cx.com/PBX/VOIP-phones.html Mon, 27 Mar 2006 14:46:39 +0100 http://www.3cx.com/PBX/VOIP-phones.html VOIP Definitions http://www.3cx.com/PBX/VOIP-terminology.html Sat, 28 Jan 2006 12:41:02 +0100 http://www.3cx.com/PBX/VOIP-terminology.html