PPcrypt secure landline phone system

Unsaved, untraceable, protected calls, full-featured telephony.

PPcrypt is a full-featured landline phone system for businesses of every size. Including the entry-level office workstation phones, every device has the necessary processing capabilities to encode the crystal clear HD audio with multi-level encryption. Home office, virtual assistant, meeting room solutions, with great user experience.

PPcrypt is the landline subsystem of PTechnology Shielded Ecosystem.

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Yealink T58W PRO video station with Wi-Fi and Bluetooth

PPcrypt secure landline phone system

A full-featured audio and video phone system that completely covers all your business needs.

From single workstations to multi-line reception desk, from meeting rooms to the management assistant's communication station, the PPcrypt device and service portfolio meets all the telecommunication needs of every business.

Remote office ready solution. When your device gets connected to the internet, it finds the nearest PTechnology server and establishes a connection. Even from a hotel room, with a broadband internet, your audio and video calls are as secure as you would be in your own, secured office. Highlights:

Uncompromising security, protected privacy

Strings of encryption and a closed system keeps you safe.

Full-featured virtual PBX system

All enterprise-level features are available from the first license.

Elegant, premium Yealink devices

Clear user interfaces, high quality materials.

Crystal clear, HD audio and video calls, even internationally

Every supported device is powerful enough to encrypt the audio and video data in real-time.

PPcrypt is the landline endpoint of the PTechnology Shielded Ecosystem

Closed network, unsaved communication. Safe and untraceable calls inside.

Unbreakable encryptions, cyber traps, protected channels. Neither your communication, nor your personal data are saved or stored.


Free calls, messages, file and document sending inside the network.

Free international communication with your co-workers or clients. You only need the licence, which costs app. two cappuccinos per month.

Everything is pre-configured, and ready to use. A turnkey solution.

All PPcrypt devices are shipped pre-configured. You only need to connect to the internet: the setup process runs automatically.

PTechnology versus other service providers

PTech. to PTech.

PTech. to Regular

Regular to Regular

In summary Inside PTechnology Shielded Ecosystem, the communication is safe, protected, unsaved, unstored, and entirely free. No one can intercept your calls. Your privacy is protected, if you do not use outgoing ID, except if the listeners are using voice recognition. Your calls are unsecure, tappable, your contact network is traceable and easily visualisable. Avoid sensitive calls, especially if you are a priority person.
Connection security Protected, untappable, multi-layered channel and data encryption, including SRTP/ZRTP-TLS PTechnology: secure until public ecosystem
Regular providers: tappable + backdoors
Notoriously vulnerable, easily hackable, interceptable, especially the GSM communication.
Communication and call logs No call logs generated: in the system, no data are saved or stored. PTechnology: no data saved or stored
Regular providers: save and stored
Logs of calls and messaging are created, stored, and bound to your personal and financial data. Every of your calls and messages are tracable.
Personal and financial data No financial data are stored, and we only need an email address during a registration, which is not bound to any communication data. PTechnology: not saved or bound
Regular providers: saved, stored, bound
Regular providers collect, save, store and process every data in their big data systems. A hostile government can request for your profile easily.
Local calls Completely free and limitless Very low call rates According to current rates
International calls Completely free and limitless Very low call rates Expensive international call rates
Roaming fee No roaming fees No roaming fees, our system is global It depends on the concrete country, but usually, yes.
International conference calls - between 3 continents Completely free, protected, untappable and untraceable with crystal clear HD audio and video calls. Because of the public network, the call is traceable, tappable, the sound quality is worst, and the call is not free. In case of international businesses, 99% probability that someone is following your calls. The sound quality is poor, and the call is expensive.

Elite Desktop Collaboration Devices

Our flagship landline phone, the Yealink T58W Pro with Camera, is a combination of hassle-free user experience, crystal clear audio and video quality, and the pure elegance.

Next-Gen Desktop Collaboration

Featuring a vivid 7-inch touchable and adjustable color screen, the T58W(Pro) with Camera is positioned to bring premium-level, industry-leading communication journey with the new UI, five-megapixel camera and multi-way audio/video mixed conferencing.

Free from Cord Constraint, Free from Distracting Noise

Adopting the innovative Bluetooth handset, Yealink T58W Pro with Camera pervades wireless communication by allowing the user to move around freely and conveniently. The professional hardware and the cutting-edge acoustic algorithm of Yealink makes the T58W Series an expert at eliminating noise and keeping every conversation clear and focus.

Elegant and high-quality landline devices

All landline devices supported by PTechnology are high-quality premium devices, including the entry-level office worker telephones.

Sound and Hear with Remarkable Clarity

Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance.

Remarkable User Experience

The Yealink T4 series delivers excellent stability and performance with its latest advanced components. The phones feature an optimized interface for a smartphone-like user experience. Its rich one-touch soft keys allow for customization, bringing additional convenience and increasing productivity.

Reception desks and assistance stations - even remotely

The Flagship Expansion Module: EXP43

The 4.3-inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified UI and up to 60 programmable keys for various features. You can set the provided multifunctional line keys as BLF, speed dial, call forward, transfer, call park, call pickup, etc.
The Yealink EXP43 Color Expansion Module is an ideal solution for receptionists, administrative assistants and contact center workers and gives you the ability to monitor contacts and manage a large volume of calls with ease.

Virtual Assistant? Remote Receptionist? No problem.

You only need to plug your PPcrypt devices to broadband internet, and a couple of minutes later, your device is ready to make protected calls.

Our typical clients and use cases

An exclusive circle of conscious individuals and businesses who have nothing to hide but a lot to protect.

Consultants, Contractors and Negotiators

Using PTechnology solutions, they comply with their clients' comsec requests. Thanks to virtual phone number(s), they can easily separate their private and business communication, and protect their privacy.

Lawyers, Tax advisors, PIs and Investigative journalists

There are situations, where the protection of calls, messages, sent photos and documents is more than a must. PTechnology offers unsaved, untappable and untraceable communication, even through unprotected network.

Entrepreneurs, Start-ups, Small and medium size businesses

Instead of using e.g. WhatsApp or unprotected regular phone lines, our clients protect their conversations, IPs and data from third parties and save money by using our full-featured communication system.

International businesses

Free international communication between branches on different continents. Moreover, these audio and video calls, messages and sent documents are protected from corporate espionage and hostile government surveillance.

Enterprises, non-executive management and upper class

PTechnology solutions are trusted by high-priority persons of the private and public sectors. They keep their contact network private, their privacy protected, and their business communication safe.

Critical National Infrastructure

The entirely closed ecosystem protects the inside communication from deep fake voice authentication, cyberterrorism and international government-backed cyberwar; our system hangs up the line if a "middle-man" tries to compromise the line.

Features including, but not limited to

Full-featured virtual PBX system

From advanced routing to complex rules, from extensions to DID special numbers, every modern features are available to you and your company.

Remote work-ready solution

It doesn’t matter if your team is in the same building or in four different countries. Take and use your devices anywhere - the sound quality is excellent and the conversation is still protected.

Unique, closed source software

Thanks to the completely closed system, the encryption and data transmission procedures remain secret and counterfeiting of the software is almost impossible.

Modularity and flexibility

The number of both lines and devices can be changed and expanded extremely flexibly with a short lead time. Our engineers will help you set up the system you need for free.

HD audio and video quality

The HD Voice and Video technology we use combines cutting-edge hardware and software with wideband technology. Overseas calls are incomparably better quality than regular lines.

Multi-Line Phone System

Manage multiple lines on a single landline device, even remotely. The multi-line system can also handle call routing or receiving the same call on multiple devices.

Virtual Phone Numbers

Customised inbound and outgoing caller IDs, combined with advanced routing and grouping, regardless your actual location.

Web-based administration interface

User accounts, phone lines, account balance, caller ID-s and many others can be managed through your own administration interface.


Very reasonable prices, simple and transparent pricing system.No hidden fees, No obligations

We use a top-up based account balances with time-based licence system. In this way, we do not need to store your financial data, and your PTechnology account is not bound to any of your personal or business credit cards.

Learn more about our licence system

Gift! €4 credit: ~200 min to US/UK

One month licence


/ month

Ideal choice for short-term projects, or to a new employee/client. If you need three months access, simply buy three licences.

Create my account


  • Free, unlimited secure internal calls
  • Free, unlimited secure file sending
  • Low cost local and international calls
  • Full-featured telephony system
  • No obligations or automatic renewals

Gift! €60 credit: ~4000 min to US/UK

Annual licence


/ year

A very reasonable choice, with two months gratis and €60 gift top up for calling regular numbers.

Create my account


  • Free, unlimited secure internal calls
  • Free, unlimited secure file sending
  • Low cost local and international calls
  • Full-featured telephony system
  • No obligations or automatic renewals

Client service line

2345678 - from PTechnology network


Our partners

Complied data protection regulations

HIPAA Seal of Compliance Verication