A VoIP Soft Switch SIP is basically a central device which is part of telecommunications network which helps in connecting telephone calls using 1 phone line with another. This is done across a telecommunication network with help of software running in a common computer system. All landline calls are routed via a purpose-built electronic hardware. In present time used of soft switches for general purpose servers in addition to VoIP technology is getting huge popularity. These days there are many telecommunications networks companies which are making use of perfect combinations of soft switches and with traditional -built hardware. In this way the concept of VoIP Soft Switch SIP was born. In get an idea about SIP softswitch, one need to understand the actual meaning of “SIP.” SIP stands for session initiation protocol, It represents an event which can take place on the internet (Internet protocol) involving two or even more people. SIP Simplifies the way group conferences are held over Skypes with use of voice-over-internet-protocol (VOIP) technology. The SIP softswitch is actually an operator responsible for transferring calls. After making a call to switch board operator you need to tell operator which division you will contact and the call will be forwarded to that division. http://www.voipinfotech.com/voip-softswitch.html