Calls
Phone numbers
SMS
Business Phone System
CRM
AI agent
Call Tracking
eSIM for Internet
AI Speech Analytics
Click to Call
Price plans
VoIP for Business
Become a partner
Integrations
For whom
Setup guides
FAQ
API Documentation
Contact us
Blog
Choosing a business phone system means comparing more than the monthly price. In this business VoIP comparison, we look at Zadarma and 8x8 side by side: how each provider charges, what their plans include, how they handle CRM integration and AI, and what support you can expect. Use it to decide which cloud phone system suits your team.
All You Need to Know About Residential and Home Office VoIP
Read more
Working from home shouldn’t mean using your personal number for business. Discover how residential VoIP helps freelancers and small businesses manage calls, stay connected on the go, and keep work and personal life separate.
How AI Voice Agents Are Changing Call Centers: Data, Challenges, Use Cases and Implementation Strategies
Read more
An AI voice agent is a conversational system that answers phone calls using natural speech, understands open-ended questions, and responds based on a business's own knowledge base — unlike a traditional IVR menu or scripted voice bot. It works best for standardized, high-volume calls and typically hands off complex issues to a human agent. Before investing in one, it's worth knowing which claims are backed by real data and which are just vendor marketing — this research separates the two.
Recording Sales Calls: A Practical Guide
Read more
Prices, terms and deadlines are often agreed over the phone and not written down. This guide explains why businesses record sales calls, which legal and privacy points to check, and how to set up call recording in Zadarma with AI transcription and CRM integration.
Miami 305 Area Code: Virtual Phone Numbers for Your Business
Read more
Want to establish a local presence in Miami without opening a physical office? A virtual phone number with the 305 area code lets your business receive calls from Miami customers wherever your team is based. In this guide, we explain how Miami 305 virtual numbers work, why businesses use them, and which Zadarma features and pricing plans are available. You’ll also learn how to set up your number and start receiving calls.
How to Organize Remote Work Without Unnecessary Expenses
Read more
Remote work has shifted from a pandemic necessity to a permanent way of working, and for good reason. Flexible hours, no commute, and a workspace you control appeal to millions of people. But working from home has its own demands: self-discipline, clear boundaries, and the right setup. Here's how to organize remote work effectively, keep costs down, and protect yourself from burnout.
PSTN Switch-Off: A Guide for UK Businesses
Read more
The UK's PSTN network switches off on 31 January 2027, and traditional phone lines will stop working. Any business still using them will need to move to a digital service before the deadline. It might look like an inconvenience, but it's also a chance to improve how you communicate, work more flexibly, and cut costs.
Virtual Numbers vs eSIMs - What Should You Choose?
Read more
eSIMs and virtual phone numbers are both digital solutions, but they serve very different purposes. Depending on the provider and plan, an eSIM can come with a phone number and calling capabilities or be data-only, providing mobile internet without a phone number or calls. A virtual number, on the other hand, lets you make and receive calls without being tied to a physical SIM card or location. Understanding the difference can help you choose the right option for travel, business communication, or a combination of both.
US Toll-Free 800 Numbers for Businesses & Their Benefits
Read more
US toll-free number allows customers across the United States and Canada to contact your business without paying for the call. Whether you are serving customers nationwide, building a professional brand image, or expanding into the US market, a toll-free number can make your company more accessible and trustworthy. In this article, we explain how toll-free numbers work, how they differ from local business numbers, and how to activate a US toll-free number quickly with Zadarma.
From Click to Sale in Minutes. How to Connect a Website Form to a CRM System.
Read more
A client submits a form on your website and your team should know about it instantly. Manual data entry slows your team down and leaves room for errors that can cost you a deal. Connecting your website form directly to a CRM via API removes that risk entirely. In this step-by-step guide, we'll show you how to set up automatic lead capture using the Zadarma API and Teamsale CRM, so every request is processed quickly and nothing gets lost.
How to Transfer Calls on IP Phones
Read more
IP phones connected to Zadarma VoIP give you full call transfer functionality from your desk phone. This guide explains blind and warm transfers, how to redirect calls to extensions and voice menu departments, and provides step-by-step instructions for the most popular IP phone models.
How to Get a UK Phone Number (+44) from Abroad
Read more
You don't need to be in the UK to get a UK phone number. A virtual number can be ordered online from any country: expats stay reachable for banks and family back home, and businesses get a local presence in the British market without opening an office. In this guide, we cover how to get a local, mobile or toll-free UK number step by step, what it costs, and answers to common questions.
5 reasons why your business should use a CRM system + bonus
Read more
Managing clients across scattered spreadsheets, notebooks, and messengers works - until it doesn't. As your business grows, so does the risk of losing leads, missing follow-ups, and delivering inconsistent service. A CRM system solves all of this in one place. In this article, we break down 5 practical reasons why businesses of every size are making the switch to CRM, and why you should too.
0121 Area Code: A Complete Guide to Birmingham Phone Numbers
Read more
The 0121 area code is one of the most recognisable telephone codes in the UK, covering Birmingham and surrounding areas in the West Midlands. For businesses, a local Birmingham number can help build trust, improve response rates, and create a stronger local presence without the need for a physical office. In this guide, we explain what the 0121 area code covers, the benefits it can bring to your business, how much a virtual Birmingham number costs, and how to set one up in just a few minutes.
5 Call Tracking Metrics & Tactics Each Tech Startup Should Consider
Read more
Most startups track clicks and form submissions, but when a potential customer picks up the phone, that data disappears. Call tracking connects every inbound call to the campaign that generated it. In this article, we cover the five metrics that show you which marketing efforts are generating calls and what to do with that information.
2-way SMS for business: how to send and receive SMS online
Read more
For many customers, texting a business is simply more convenient than calling. Two-way SMS allows businesses and customers to exchange text messages in real time, making communication faster, easier, and more flexible. Whether it's answering questions, confirming appointments, or providing support, two-way SMS helps businesses stay connected with customers.
Understanding the Manchester 0161 area code
Read more
A local phone number still shapes the first impression customers have of a business. In Manchester, the 0161 area code is instantly recognisable and often associated with local presence, trust and credibility. In this guide, we explain what the Manchester 0161 area code covers, why businesses choose it and how you can quickly connect a virtual Manchester number for calls from anywhere.
Who needs a Cloud PBX and why it matters
Read more
Most businesses don’t realize how much missed calls and poor communication can cost them. A Cloud PBX brings all communication into one flexible, internet-based system. In this article, you’ll learn what it is, who needs it, and why it matters for modern businesses.
The Hidden Cost of Missed Calls: How Much Is Your Business Losing?
Read more
Most businesses don’t realize how much revenue slips through the cracks before a conversation even begins. A missed call isn’t just a missed moment — it’s often a lost customer, a lost deal, and, in many cases, a customer who never comes back.
This article breaks down the real cost behind unanswered calls: how often they happen, why voicemail rarely saves the situation, and how quickly potential clients turn to competitors. You’ll see where the biggest losses occur, how they vary by industry, and — most importantly — how to calculate the impact on your own business and reduce it before it quietly adds up.
5 mistakes to avoid when choosing a business phone system
Read more
A business phone system is essential for customer communication, but choosing the wrong one can lead to lost leads, inefficiency, and reduced revenue. In this article, you’ll learn the most common mistakes businesses make when selecting a VoIP business phone system, and how to avoid them.
How to open a budget call center in 5 steps
Read more
Setting up a professional call center doesn’t have to be expensive or complicated. For many businesses, phone and email remain the primary communication channels, which makes efficient customer support essential from day one. In this guide, we’ll show you how to create a fully functional, budget-friendly contact center in just five simple steps, from choosing the right tools to setting up automation and call management.
Most read articles
