What is HD Voice Calling? A Feature Guide

Excessive definition (HD) voice calling is cellphone expertise that reduces background noise and creates clearer audio connections. It has develop into the usual for many cellular service carriers and a characteristic present in the very best enterprise cellphone techniques. Nonetheless, HD calling comes with the next price ticket and requires a quicker web connection for voice-over-internet-protocol (VoIP) cellphone calls.

How HD Calling Works

HD voice calling works by compressing audio content material into knowledge packets earlier than sending this content material to a receiving server. The packets are then opened by the receiving server and decompressed. Conventional low definition voice calls restrict name frequencies to 300 Hz to three.4 kHz. HD voice calling’s wideband audio transmits name frequencies at a variety of fifty Hz to 7 kHz (or larger), which is way nearer to the human voice frequency (between 75 Hz and 14 kHz).

This isn’t brand-new expertise—VoIP apps like Skype and Zoom have been utilizing HD calling for years. Nonetheless, it’s now out there to cellular carriers because of the emergence of voice-over-long-term-evolution (VoLTE), which makes use of 4G or 5G networks to extend knowledge pace and name high quality.

Whereas HD voice calling is spreading by way of adoption and recognition, conventional analog cellphone traces and a few lower-cost VoIP companies nonetheless depend on low-definition voice calling. That’s not essentially a foul factor. If a enterprise doesn’t have entry to a dependable community, the lower-definition frequencies utilized by conventional voice calls can truly result in higher name efficiency.

It’s because poor community high quality could make knowledge packets get misplaced in transit, inflicting uneven conversations and dropped calls. Subsequently, firms that don’t have entry to a high-speed community are higher off spending their cash on noise-canceling headphones and standalone cellphone purposes (like WhatsApp and Skype) in the event that they wish to enhance their total name high quality as a substitute of upgrading to a costlier enterprise cellphone plan.

HD Voice Calling Professionals & Cons

HD-ready Digital Telephone Suppliers & Standalone Apps

Your enterprise can benefit from HD voice calling through the use of sure digital cellphone suppliers or standalone apps. Listed below are a number of the greatest choices that help HD voice calling: offers companies with HD voice calling, automated attendants, name administration options, and different fundamental VoIP features throughout its cellular and desktop apps. With plans beginning at $10.39 per 30 days, it’s some of the reasonably priced digital cellphone suppliers in the marketplace.

magicJack for Enterprise

magicJack is a wonderful digital cellphone supplier with HD calling capabilities. It offers companies with conferencing calling, name queues, voicemail transcriptions, and extra. You need to use magicJack over your desk cellphone, cellular machine, or desktop.

Fb Messenger

Fb Messenger is principally identified for fast messaging, however the app additionally offers HD voice calling. Since Fb has shut to three billion customers, it’s secure to imagine that lots of your contacts have already got Fb Messenger put in on their cellular gadgets.


Skype’s been round for greater than a decade as a video-calling utility, however you can even use the platform to make audio-only HD calls in your cellular or desktop machine.


WhatsApp is a well-liked worldwide messaging app, making it a terrific software for connecting with shoppers and crew members throughout nation borders. You may even use their free app to make HD voice and video calls.

HD-ready Cell Telephone Suppliers

Virtually all main cellular phone suppliers provide HD voice calling. HD calls use plan minutes, not knowledge, so it doesn’t value something further to your small enterprise to make use of this characteristic (except you exceed your plan’s minutes). Nonetheless, while you make a video name, you’ll use knowledge to transmit the video and minutes to transmit the audio.

All of those common cellular phone suppliers provide HD voice calling:

  • AT&T
  • Verizon Wi-fi
  • T-Cellular
  • Dash
  • U.S. Mobile

HD-ready Full Enterprise Telephone Programs

Whereas HD voice calling is rising in prevalence amongst VoIP business phone systems, it’s not but a common characteristic. If sound high quality is a prime precedence, you’ll must analysis every platform’s options to make sure it offers the excessive definition you want. You’ll additionally must double-check your workplace desk telephones to ensure they’ll help HD voice calling, and ensure your web connection is robust sufficient to help a number of simultaneous HD calls.

Beneath are just a few enterprise cellphone system suppliers that supply HD calling:


RingCentral is a unified communications VoIP platform that gives companies with calling, texting, faxing, crew messaging, and video conferencing performance. It makes use of an OPUS codec for HD voice calls to make sure clear audio for prime and low bandwidth customers. Plans begin at $19.99 per person, per 30 days.


Nextiva is a enterprise VoIP cellphone system that gives companies audio and video communication options. You’ll get HD voice calling on all cellular, desktop, and convention telephones with HD performance. Plans begin at $18.95 per person, per 30 days.


8×8 is an all-in-one communications platform that makes a speciality of limitless HD voice calls and free worldwide calling locations. It’s a superb choice for budget-conscious companies that want a dependable, easy-to-use VoIP app for his or her enterprise cellphone system. Plans begin at $12 per person, per 30 days.

Regularly Requested Questions (FAQs)

Is HD voice calling costlier?

VoIP enterprise cellphone techniques and cellular carriers use extra digital sign processing energy for HD voice calling. These are further prices that are handed on to companies and customers within the type of costlier cellphone plans.

Can you utilize HD voice calling with a sluggish web connection?

Sure, you possibly can, however your efficiency shall be impacted. HD calls revamped an unreliable community result in packet loss and connectivity points.

Can I enhance voice high quality with out HD voice calling?

Sure, you possibly can. Noise-canceling headphones, high quality microphones, and cellular apps can enhance the voice high quality of your cellphone calls. They’re not a whole substitute for HD calling expertise, however they do assist enhance audio high quality.

Does HD calling work on 3G?

No. HD voice calling by way of VoLTE expertise makes use of 4G and 5G LTE knowledge networks. Legacy 2G and 3G networks don’t present ample bandwidth to deal with HD calls.

What if solely one of many two events has HD voice calling?

Each the caller and the recipient have to make use of HD voice-enabled companies and gadgets to benefit from HD voice calling.

Backside Line

HD voice calling improves your cellphone conversations by decreasing background noise and decreasing lag and dropped calls. Improved conversations result in higher gross sales, customer support, and productiveness, and these all finally influence your small business’ backside line.

Due to the evolution of VoIP technology, HD voice calling is extra accessible than ever. Wish to strive it for your self? Signal your small business up for a 15-day free trial with RingCentral to get entry to enterprise-level communication and collaboration instruments at an reasonably priced value.

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