Can I Use VoIP With Wi-Fi?
“The simple answer to this question is yes, but it’s a little bit more complicated than that. If you have a wireless router and network then you can use your VoIP phone in a wireless way. If you’re on the move, you can use VoIP via WiFi connections but you will need to arrange this with your VoIP provider and it may cost more.
Unfortunately VoIP is not typically ideal over WiFi. There are several reasons for this:
The main issue with VoIP over WiFi is that Wireless Networking is a half-duplex standard which means that a device can either transmit or receive at any given time. This provides a direct conflict with Voice conversations which tend to be bi-directional. The technology is kind of like trying to use a phone as a walky-talky where you have to hold the button down to talk and let go of it to listen. Wifi has sufficient bandwidth to cope with this somewhat, but it is far from an ideal medium.
The biggest pain-point of all VoIP (not just Wireless) is Quality of Service. Nothing you run on your network demands more “real time” bandwidth than voice. Voice quality can be horribly distorted if any packet loss, delay or jitter is present on your network and that’s particularly bad news for WiFi (which is a slow, shared, contended media as described above).
To deal with these issues, VoIP traffic needs to be granted absolute precedence on your Wireless network over any other type of traffic or it will be very poor. This is one of the reasons that VoIP over Wireless tends to starve your network’s performance. “
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h/t to linkedin for this excellent article!
Cover Image Credit: GetVoIP