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Industry type:Electronics and communication
Product model number:P-2602HNUSLI
Zyxel Communications Corporation
award 3

Voice over IP
The P-2602HNUSLI Series complies with standard SIP (RFC 3261) protocol for Internet phone services. In addition, the two POTS ports design enables users to make two VoIP phone calls at the same time.

QoS Support
With intelligent Quality of Service (QoS) management features on the P-2602HNUSLI Series, network administrators can allocate network resources effectively to ensure quality of service for time-sensitive applications such as VoIP and video-on-demand. This also prevents other bandwidth-hungry applications, such as FTP and file-sharing, from hogging network bandwidth.

Robust Firewall and Secure VPN Connectivity
The ICSA-certified ZyNOS operating system gives state-of-the-art firewall protection based on Stateful Packet Inspection (SPI) technology to prevent DoS attacks. The P-2602HNUSLI Series provides the first line of defense against hackers, network intruders, and other malicious threats. In addition,
IPSec VPN helps ensure secured transmission between two sites, allowing secure connection between telecommuters and branch offices without expensive lease lines.

ISDN/PSTN Line Support
The built-in ISDN S0 in the P-2602HNUSLI Series allows users to keep their existing ISDN/PSTN phone service for VoIP or ISDN phone calls. In some European countries, a 27/7 Lifeline support is mandatory. Based on this concept, ZyXEL designed P-2602HNUSLI to combine ISDN/PSTN phone and VOIP services. With the P-2602HNUSLI Series, it is simple to switch between ISDN and PSTN phone services when the Internet connection is down. In case of an unexpected power failure, customers can still make regular PSTN phone calls with the user-friendly Lifeline support. This feature also works when VoIP service becomes unavailable.

Eco-friendly Design, Button Saves Energy
ZyXEL designs and manufactures its products based on "green" concepts to address environmental and safety concerns. ZyXEL chooses the best materials to prevent environmental pollution and maintains a strict product testing process to provide the safest products for customers.


About Zyxel Communications Corporation

Focused on innovation and customer-centric technology and service, Zyxel has been connecting people to the Internet for over 30 years. Our ability to adapt and innovate with networking technology places us at the forefront of the drive to create connectivity for telcos and service providers as well as businesses and home users.
Zyxel is a global force in the communications market with an unrivalled international presence that includes:
- 150 markets served
- 1,500 passionate associates
- 1,000,000 businesses working smarter with Zyxel solutions
- 100 million devices creating global connections
Today, Zyxel is building the networks of tomorrow, unlocking potential, and meeting the needs of the modern workplace – powering people at work, life, and play. Zyxel, Your Networking Ally.


For nearly 30 years, Zyxel Communications has earned a reputation for innovative products that “make the world connect.” In 2016, Zyxel announced the launch of a global rebranding campaign “Your Networking Ally.” Now Zyxel is looking ahead to build networks that help people achieve their goals and change the world for the better. By identifying as “Your Networking Ally,” Zyxel highlights its core competence and the close relationship it shares with customers. People and organizations need a partner who understands their struggles and provides solutions that help them meet these challenges. Zyxel is that ally to stand side-by-side with our customers, helping them achieve their goals — unlocking their potential.

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