Explain why special ET Networks are desired by interestes balance gauge PSTN?
The E1 succession is an American gauge and T1 succession is an European gauge of network which prepare object to object digital transmission of grounds . In PSTN succession a uncompounded copper wire is used to bestow words and grounds while in E1 and T1 networks couple pairs of copper wires are used to bestow and assent-to grounds
The reasons control using E1 and T1 networks in interestes are as follows:
a) The E1 and T1 networks are used widely control interestes consequently they prepare network successions which are consecrated to words message and prepare 99.9% of bandwidth control most of the age.
b)The E1 and T1 successions can too interconnect with each other consequently they consists of DS1 signals.
c)The E1 and T1 networks are principally used as interest successions consequently they can be separated into any coalition of words and grounds transmissions .
d) The E1 and T1 successions convey 24 calls balance them which makes them cheaper than purchasing 24 opposed analog successions , hence are widely used in interestes.
Now a day abundant interestes are switching to VoIP – Words balance IP consequently they are self-possessed to regular up and are of very stunted absorb compared to any other network successions.