The VoIP technology has been strongy implemented in the market, this technology is simply the process of digitalization of the analogue voice through a data network based on IP like the Internet. This way companies can achieve huge echonomical benefits.
There are 3 types of VoIP calls:
1) PC to PC, always free.
2) PC to telephone, free sometimes depending on the destination.
3) Telephone to Telephone, very cheap.
VoIP Concepts:
1) Terminals:equipment used for bidirectional communication in real time (PC or telephone)
2)Gateways:connects different networks.
3)Gatekeeper (Call Control):is the brain of a VoIP networks provides addressing, authorization and authentication of terminals and gateways. It can be used as bandwitdh administration, billing and call routing.
The most popular protocol used nowadays is SIP (Session Initiation Protocol) which handles signalling and session establishment. It is scalable and handles different applications such as Internet Messaging. ISINETofers this communication services between regional offices with an Internet Acces through the following architecture:
The basic elements needed for this solution are as follows:
Call control server (SIP), this equipment knows the location of the users and is needed for administration purposes.
Laptop or PC, on this equipment will be installed a softphone (software) which handles the telphony functions.
ATA (Analog Telephone Adapter), is the gatway for signal conversion between tradicional telephones and digital signals for transport.
Conclusion
Isinet's VoIP service can lead you to create a virtual voice network in order to establish free calls between headquarters and regional office withouth border limits. The users can also complete calls to traditional telephones at very low rates
The ROI in this communication projects is very atractive and let us give you a cost comparison with this new service and your traditional telephone bills.
