Voip Comparison
cisco voip phones?
can some one explain how voip works? the physical part of it.
Public Comments
- all you need to start is an ATA...analog telephone adopter....most voip give it away for free....or per rebate! everything is very easy, just plug-in and make calls!!! www.TigerDirect.com BPG510 Broadband Phone Adapter http://www.tigerdirect.com/applications/searchtools/item-Details.asp?EdpNo=1786796&sku=E91-1010 after one month they will give you an rebate! or get yourself a wi-fi interent phone from skype....you dont even need a computer anymore....just wi-fi hotspots if you live in the city!! http://us.accessories.skype.com/servlet/ControllerServlet?Action=DisplayPage&Env=BASE&Locale=en_US&SiteID=skype&id=ProductDetailsPage&productID=64437900 Voice over IP (VoIP) defines a way to carry voice calls over an IP network including the digitization and packetization of the voice streams. IP Telephony utilizes the VoIP standards to create a telephony system where higher level features such as advanced call routing, voice mail, contact centers, etc., can be utilized. Session Initiation Protocol (SIP) is a peer-to-peer, multimedia signaling protocol developed in the IETF. SIP is ASCII-based, resembling HTTP, and reuses existing IP protocols (DNS, SDP, etc.) to provide media setup and teardown. Since its first publication in 1999, SIP has generated a high level of interest in the VoIP industry, and many people believe that SIP will become the standard protocol for future voice networks. like skype and voice.yahoo.com
- Physically, a device translates your voice into network packets that are sent over an IP network... thus, VOIP stands for Voice Over IP. In most cases, these packets are sent to your service provider who then has equipment to translate those packets in to a phone call over the traditional phone network (assuming you are calling outside the network). If both people are on the same network, then the packets simply get routed from one phone directly to the other.
