Tổng đài Analog

What is Analog PBX? Learn more about Analog PBX

Saving internal communication costs, good security, integrating VoIP links between branches, installing automatic greetings, etc. are the indispensable advantages of Analog PBX . So what is Analog technology? What parts or equipment does it include? And what are the pros and cons? Let’s find out through this article!

1. What is Analog PBX?

Analog is a type of telephone exchange that appeared about 20 years ago, operating based on Analog technology. Accordingly, Analog technology operates through the postal line. Specifically, when customers register to use the service, the post office will pull the line to the company’s office. You will have to equip hardware equipment, divide it into extensions to different departments if you want to use Analog PBX.

Analogue Analogue The concept of Analog PBX

2. Structure of an Analog PBX system

  • Input signal:  This signal is provided by the post office to the Analog switchboard. The input audio signal is converted into electronic waves with different amplitudes and frequencies, and then sent to the other end of the wire. Analog phone systems use CSN (Circuit Switching Network) technology to transmit signals over serial wires, creating a conversation.
  • Switches:  The number of switches is set up depending on the needs and scale of use.
  • Terminal:  The terminal is a landline phone. The service provider will assist you with wiring to each location, configuring the internal switchboard, and recording if needed.

3. Advantages and disadvantages of Analog PBX

In the following, we will learn about the advantages and disadvantages of Analog technology. This will help customers understand that their business is really suitable to use Analog technology or not.

Tong Dai Analog Analogue 1 Analogue advantages and disadvantages

3.1 Advantages of analog telephone exchange

  • Allows to equip multiple phones with separate internal numbers.
  • Free internal calls. Employees can communicate from one department/department to another easily without charge.
  • The ability to manage voice through billing software or using a printer.
  • Transfer calls easily without changing location.
  • Transactions are free of charge if integrating VoIP links between corporate headquarters.
  • Set ringer easily at any phone within the company.
  • Good call security.
  • Ability to set up automatic greetings on demand.
  • Still can work without network and electricity.
  • Installation cost is 5% to 10% cheaper than VoIP switchboard

3.2 Disadvantages of Analog PBX

  • Analog PBX systems need a separate phone line, cannot use LAN.
  • Limited features, mainly just calling and listening.
  • Difficult to expand. If you want to expand, you must upgrade the hardware such as upgrading the switchboard type, attaching additional support cards, pulling more lines, etc.
  • Only one call can be made at a time.
  • Does not support API to connect ERP or CRM software.
  • The line is often busy, which makes it possible to miss customer calls.
  • The cost of repairing, upgrading and maintaining the system is quite high.
  • No ability to manage recording data.
  • Employees outside the company are often delayed.
  • It is not possible to connect branches or chain stores with each other.

4. Working principle of analog PBX

Analog PBX is equipped with a switch hook (Switch Hook), which attaches to the phone line. When the switch hook is detached, the phone line connects to the system’s transmission circuit.

When dialing from an Analog phone, the transmitter sends an electronic signal. The call converter will then act as a signal converter, converting the signal into a message to send to the other end of the line.

5. Conclusion

Above is all the information about Analog PBX that we want to share. Good luck!

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