Business PBX systems have evolved significantly over the years. With the roll-out of NBN and other broadband infrastructure, traditional PBX systems are being upgraded or replaced to accommodate IP Telephony PBX PBA Doha Qatar and SIP trunks, the new age telephone lines.
There are essentially three types of business PBX systems used by SME businesses:
On-Premise Business PBX System
On-premise systems include Key Systems, PBX and Hybrid Systems, all of which have one thing in common, they need to be installed and maintained at the business premises. They also usually require separate telephone wiring and need to be maintained by a qualified PBX technician.
On-premise phone systems have traditionally used PSTN lines (copper telephone lines) and ISDN lines (digital telephone lines) to provide access to the telephone network. In recent times, new PBX systems were manufactured to allow for a variety of access technologies including SIP Trunks. In many cases it requires an add-on IP card to be purchased and installed.