Private Branch Exchange (PBX) is one of the important communication system used in corporate offices, and well known product world wide. PBX not only enabled calling to internal employees but also used for Public Switching Telephony Network (PSTN). Traditional PBX deprecated due to limitation in technology, hence taken over by IP-PBX telephony. Some limitation of PBX systems are:- (a) Dedicated lines requirement while implementation (b) Scaleablity, Limited number of lines are allowed in PBX and margin should be taken while implementation. (c) Limited Features like recording, conferencing
etc. (d) Portablity, of use 1 pair dedicated line for communication. (e) In case of office migration there will be again cost for wiring. The above all limitations overcome by IP Telephony.
SST’s IP-PBX is customized software offering almost all the features available in best EA-PBX system available in market. It is an easy to use and scalable as per customer need. It support all kinds of termination like PRI, SIP and can be installed at premises as well as on cloud. It is a cheaper and web based manageble software, one can use it without much computer knowledge. Some best features are:- (a) Extension to extension calling, (b) Call forwarding, if user unable to receive call on extension, (c) Call Blocking, (d) Call Recording, (e) Call Reports.