A network is nothing more than two or more computers connected by a cable or by a wireless connection so that they can communicate and exchange information or data.
In other words “Network Means a collection of interconnected computer network of stand-alone computer. The connection can be over copper, fiber optic, microwave and satellite communications.
In home a user can take internet service from ISPs (Wi-Fi, WiMAX, Optical Fiber). User device need an IP address to go to Internet, this IP can be assigned statically or dynamically.
There’s also another classification of IPs, which are- Public IP and Private IP. While accessing internet, the private IP requires mapping, whereas public IP doesn’t require mapping.
ISPs denote a specific amount of bandwidth to a certain home user, if the user exceeds that bandwidth then the connection will still go on and the charging will be usage based on a mechanism defined by the ISP.
The mechanism of these connectivity are as followed-
If user PC is within the frequency of the internet service provider (ISP). ISPs provide the SSID name and password, through which user device (PC, Mobile) can get connected to internet. Some ISP also authenticate the user by user device MAC. For connectivity, device of the home user need to have Wi-Fi capability.
Service Provider provide preconfigured adapter to connect their Network. Some provider allow this adapter MAC to go to internet and some provider provide additional username& password to authenticate user.
If an ISP provide a connection through cable, then it connects to either the Media Converter (MC) or Optical Network Unit (ONU) of the home user’s device. Later we connect either MC or ONU with an access point or home network PC.
Most of the Modern Corporate office has computer network. They do networking in their office for various purposes.
ISPs provide connection to the router situated in the corporate house by providing a real IP, later the IP assign private IPs to the nodes/devices in the network, which allows the devices to access to internet.
By configuring PPTP in router, one can access internet in an office environment.
SMS gateway need to be configured in the router. Promotions can be done on a daily basis from the router’s Configuration Panel -, while inputting the list of Caller Ids and the text in the SMS.
Outbound Dialer need to be configured in router. It can be used as promotional purposes, like the way SMS gateway is used, except for one change, where the input changes to media file in the Call instead of text in the SMS.
For external communication, Internet Protocol Telephony Service Providers (IPTSP) connection need to be integrated with router. Provided information from IPTSP will be configured in router. For digital receptionist, IVR tree needs to configure in router. For internal communication, extension creation will be configured in router.