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How to Install a Residential VoIP System at Home - A Step by Step Guide

VoIP offers many features not found on traditional analogue phones, such as enhanced call forwarding and voicemail; however, getting it set up may be challenging for newcomers.

Your home only needs minimal hardware to get started with VoIP; most residential providers include a free router/adapter as part of their service package.
1. Connect Your Internet

Your VoIP connection must support VoIP calls as these conversations use data packets sent across your internet connection. In addition, a special VoIP adapter or phone is necessary in order to connect directly with both the internet and router.

Step one is to disconnect your local telephone service at the NID or Demarc box (photo right). There are two methods of doing this.

Option 1: Unplug the modular plug from the jack for the phone line you intend to use with VoIP and make sure not to accidentally plug it back in later (see "an ounce of prevention is worth a pound of cure" [SS17] below).

residential voip phone : Connect your VoIP device directly to the NID - be aware that this will reverse normal phone polarity; if this concerns you, make or purchase a straight RJ11 cable that conforms with standard phone polarity for use with modern phone devices.
2. Connect Your Phones

If you're using VoIP phones (or adapters for traditional phones), they require three cables - phone cable, Ethernet cable, and AC power supply - along with AC power source. Consult your VoIP provider's online resources or user manual for specific configuration instructions and fine-tuning options.

If your house was wired according to industry color coding standards [SS14], you should be able to locate an empty twisted pair line for use as a home VoIP device jack. Be careful not to connect your new VoIP device directly into an active line that still connects with the phone company as this can damage or even fry your equipment!

If you are distributing both telco and VoIP in your whole house, taking some preventative steps may help minimize any risk of accidentally connecting a VoIP device back to the phone company. One method involves taking measures such as cutting off an unused modular plug from your demarc box and placing it into one of your VoIP device jacks - something which should raise eyebrows with anyone poking around in there!
3. Configure Your Router

No matter which VoIP equipment (IP phones or adapters), an Ethernet cable and power adapter may be needed - once connected simply plug in your VoIP device and follow its setup instructions to complete setup.

Once installed, your network should be ready for use. You should conduct a test call to a friend to make sure everything works as it should and adjust settings for call quality or voice mail as necessary.

VoIP devices feature one jack that connects directly to the internet via your router and another that offers traditional dial tone service. Care must be taken not to plug your VoIP device into a line still connected with your telephone provider, otherwise its electronics could become damaged! To prevent this, cut a corner off a ziplock bag large enough to cover its modular plug end and tape it securely on top of it; this makes it harder for inadvertent connections with lines not owned by phone company!
4. Test Your Connection

VoIP works across a range of devices, such as softphones (software applications on smartphones or computers) or traditional phones connected using adapters. Follow your provider's instructions when setting up your VoIP device and test its connection by making a call with someone to test its voice quality as well as any additional features like Enhanced Voicemail or Call Forwarding you may have purchased.

. If you select Option 1, make sure that once the modular plug in the NID for any line taken over from the phone company is unplugged and use preventive steps (an ounce of prevention goes a long way!) to ensure it doesn't accidentally reattach later. Also run residential voip phone to see whether your internet can handle VoIP traffic without significant latency or jitter; if so, adjust QoS settings so as to prioritize VoIP data over other types of internet traffic.
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