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TeleDynamics Think Tank

Should your business go all-IP?

Posted by Daniel Noworatzky on Aug 24, 2016 3:18:00 PM

Benefits of going all-IP, by TeleDynamics 

National telephone operators have been investing less in maintaining traditional PSTN networks and paying more attention – and money – to building out their mobile and Internet protocol (IP) networks. AT&T launched its Project Velocity IP in 2012 with the intention of expanding its wired broadband IP network to reach 75% of its customer locations in three years. In Europe, British Telecom and Deutsche Telekom both have their sights set on all-IP. DT’s website says, “The network of the future is an integrated, all-IP network.”

A common reason some businesses still cling to their PSTN lines even when they’ve switched to a VoIP (voice over IP) phone system is to have a failover option. Here we look at some other failover mechanisms that don’t require a PSTN line, as well as the key benefits to switching to all-IP.

Backing up your telephone service

Redundancy for any telephone- or data-based system is important for preserving business continuity in the case of unexpected events. Because IP telephony uses the same data network as computers and servers, the same failover mechanisms that are used for data can be used for the telephone system. This can include redundant failover servers (IP PBXs) in remote locations, uninterruptible power supplies or power generators, and a back-up SIP trunk or broadband IP line. Another fallback system that is already in place are employees’ cell phones.

As for emergency calling, as we mention in a recent blog post about E911, make sure your Internet telephony service provider (ITSP) can route emergency calls to a public service answering point (PSAP). It may not be automatically included in your service package so be sure to ask.

The race to all-IP

The Federal Communications Commission (FCC) has made facilitating broadband networks in the United States a priority, stating in its National Broadband Plan that “broadband is a foundation for economic growth, job creation, global competitiveness and a better way of life.”

Telephone operators are encouraging legislation that will allow them to migrate to all-IP mostly because of the onerous economic costs of maintaining both the legacy infrastructure alongside the expansion of their mobile and broadband networks. In parallel, equipment manufacturers are preferring to focus on the fast-moving IP space and are investing less in the waning legacy technology. New ISDN equipment or classical switching technology is becoming less and less available in the marketplace.

So, the main motivator for both national telephone operators and equipment manufacturers for switching to all-IP is an economic one. This also happens to be a key motivator for businesses, beyond the fact that the trend is inexorable and sooner or later, the companies still using legacy systems will be forced to switch simply because their old equipment is no longer serviceable or replaceable.

Benefits of IP telephone systems

  1. Cost-savings: There are compelling economic incentives for switching to voice-over-IP (VoIP) telephony. The most obvious one is a lower cost of long-distance calling, since calls are routed over the Internet for free. IP systems also cost less to install, because you plug the phones into your regular LAN and don’t need to run additional cables or set up a separate infrastructure. Third, the scalability of IP systems saves money, because you don’t need to change your IP PBX or replace equipment to add extensions – instead, simply plug additional IP phones into your network.

  2. Productivity: Because IP telephony is software-based, it’s easy for developers to create productivity-enhancing feature sets for the system that would ordinarily be complicated, expensive or even impossible for legacy systems. By the same token, it is interoperable with many other business systems like contact relationship management (CRM) platforms, enterprise resource planning (ERP) software, call reporting, email clients, property management systems (PMS), or surveillance and security equipment, among many others. Check out this blog post for more ways VoIP can boost business productivity.

  3. Competitiveness: Since most session initiation protocol (SIP) telephone systems run on open-source software, a vast community of developers around the world are continually offering new apps, feature sets and enhancements with which the existing SIP phone system is already compatible. This allows companies to be agile and readily adopt new technologies without having to overhaul their phone system or their network infrastructure.

  4. Ease of installation, management and use: An IP PBX is actually a computer server that runs telephone communications software. So, unlike a proprietary legacy PBX that often requires special training to install and maintain, anyone proficient in networking and computers can install and maintain an IP PBX. The system is managed via a WebGUI or Internet-based graphical interface. Routine adjustments can therefore be implemented centrally by the IT staff and generally don’t need specialized technicians to intervene.

    Likewise, SIP phones are easier to use for the employees themselves. If given access by the installing technician or local IT staff, users can have access to a WebGUI that allows them to easily program advanced calling and dialing features for their individual extensions, as well as have a birds-eye view of the status of other extensions and call queues.


To borrow again from Deutsche Telekom’s website, “The network of the future is an integrated, all-IP network.” Going all-IP is not only good for business  it’s inevitable.


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Topics: IP PBX, Business Telephone System, VoIP, SIP, Total Voice Solution, Software Integration, Trends

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Welcome to our Think Tank

In this blog you'll read our thoughts on business telephone systems. While a lot has changed in telecom since TeleDynamics was founded in 1981, we remain as committed as ever to delivering the best customer service in the industry.

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