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A Guide About The Importance of IP PBX Solution for ITSPs

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An IP PBX, also known as Internet Protocol Private Branch Exchange, is a telecommunication tool or system that unites phone extensions to the Public Switched Telephone Network (PSTN). With the help of an Internet connection, the IP PBX solution efficiently manages the incoming and outgoing calls across its telephone network. IP or Internet Protocol is the process of transmitting data to another server. This allows users to establish calls over the internet. On the other hand, a PBX or Private Branch Exchange is an internal telephone network that can either be installed on-premises, or one can host it from the cloud securely.

For ITSPs (Internet Telephony Service Providers), the IP PBX system acts as a complete telephony system. These service providers can use IP PBX to facilitate telephone calls over IP data networks efficiently to their customers.

The Working System of IP PBX

An IP PBX phone system can easily make and receive phone calls over the internet. Many IP PBX systems also provide audio, video, and instant messaging communication services. The system first converts the analog voice signals into digital signals and then it routes the calls to a VoIP service provider to handle and manage the placement and termination of each call.

The IP-based services usually use Session Initiation Protocol (SIP) which has become the standard for VoIP phone systems. For a PBX, the service providers make use of SIP trunking that provides multiple voice channels. Within the PBX, a fixed system, users can set up call groups, call each other, check voicemail, etc. On the other hand, VoIP service providers can provide a set of credentials for one or more SIP trunking accounts outside the PBX system. Once verified, the incoming calls can be directed to the PBX. The users can also reach out to an outside phone line automatically with the help of the SIP trunk.

Features of IP PBX System

The ITSPs looking forward to developing an efficient IP PBX Development system can get Custom IP PBX Solution with a set of advanced features to meet the specific requirements of their business. Some of the key features of the IP PBX system include:

  • 3-Way Conference
  • Music On Hold
  • Conference
  • Voicemail
  • Barge-In
  • Multi-Level Interactive Voice Response
  • Call Return and Routing
  • Phone Book
  • Blind and Attended Transfer
  • Configurable Routing Rules
  • Queue & Agent with Recording option
  • Selective Acceptance
  • Hold and Retrieve
  • Playback Extensions
  • Selective and Anonymous Rejection
  • DID (Direct Inward Dialing)
  • Ring Group
  • Do Not Disturb (DND)
  • Gateway/Trunk Management
  • Call Park & Pickup
  • Multi-Tenant Support
  • Group Call Pickup
  • Integrated Billing
  • Multilingual Support
  • Find Me / Follow Me
  • Dashboard with Real-Time System Status
  • Caller ID / Restricted Caller ID
  • Intercom Dialing
  • CDR
  • Black List/White List
  • Redial/Speed Dial
  • Forwarding Rule
  • Absent/Unavailable/Busy
  • No Reply
  • Selective
  • Time-Based

Benefits of IP PBX System for ITSPs

Some of the key benefits that Internet Telephony Service Providers can get from IP PBX development include:

  • Simple to Install and Configure: Unlike a traditional phone system that requires a proficient installer to install the system, an IP PBX can run smoothly on a computer and anyone expert in networking and computers can easily install, configure, and maintain the IP PBX system.
  • Easy to Manage: Earlier phone systems used to have difficult-to-use interfaces that are only understandable by the phone technicians. However, with the introduction of the IP PBX system, users can easily maintain and modify their phone system. This is because an IP PBX system can be managed efficiently by a web-based configuration interface or a GUI.
  • No Need for Complex Phone Wiring: The IP telephone system allows users to eliminate complex wiring and extra ports for installing the phone system. The hardware IP phones can be connected directly to a standard computer network port and the software phones can be installed directly on the PC, which makes adding or moving of extensions much easier and efficient.
  • Feature-Rich Solution: IP PBX is a software-based system that allows developers to add or enhance feature sets as per the key requirements of the businesses. Some of the key features include voicemail, auto-attendant, ring groups, advance reporting, and more. It also comes with Unified Communications features to support audio and video conferences and free calls through the data network. All these features make IP PBX a perfect solution for internet telephony service providers.
  • Lower Operational Costs: A business-owned IP PBX system usually results in lower operational costs especially for systems with a higher number of users.
  • Cost-Effective Solution: The IP PBX users can easily connect to VoIP providers via SIP trunking. SIP trunking with an in-house IP PBX system can connect users to cost-effective VoIP providers which result in reduced phone bills, especially for long-distance and international calls.
  • Improved Customer Service and Productivity: With the help of the IP PBX solution, businesses can greatly enhance their productivity while delivering superior customer service. Since it is a computer-based system, the service providers can automatically access the customer’s record on their screen when they receive a call from the customer, which helps in delivering better customer service. Moreover, it improves productivity by reducing the agent’s time spent on each caller.

Also read:-  Cisco Cable Communications


Owning an IP PBX solution can completely change the way an enterprise works and manages its communication process. Its benefits are many that can easily outweigh the cost of installing the IP PBX system. An IP PBX for businesses comes with an array of advanced features that helps enterprises in improving their professional image. In addition, businesses can get a customized IP PBX system that helps them save a lot of costs while improving productivity and enhancing customer service.

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