Hardware as a Service Deployment Type
A Full-Featured, True Hybrid Unified Communications Solution
Hardware as a Service (HaaS) is a premise-based deployment that can also be delivered as a true hybrid Unified Communications solution. It emulates the traditional UCaaS delivery model by including business telephone services and predictable per-user, per-month pricing, giving customers a flexible alternative to large capital expenditures.

We uniquely offer the same product, interface, and user experience regardless of deployment type, so HaaS users benefit from the full control of an on-premise system with the agility of cloud — all while enjoying the same powerful product.
Instead of a large upfront hardware investment, customers can now access a high-performance, enterprise-grade business communication solution — including phones and PBX equipment — through a monthly service with added business continuity options.
Flexible HaaS Deployment Options to Meet Your Needs
- Standalone HaaS — One primary on-premise appliance or virtual instance deployed via Hardware as a Service.
- Additional Offering: HaaS with HaaS Backup — Multiple on-premise appliances or virtual instances to create failover.
- Additional Hybrid Offering: HaaS with Hosted Backup — On-premise HaaS deployment backed up by a hosted instance for redundancy.
- Additional Hybrid Offering: Hosted with HaaS Backup — Primary system in the cloud with an on-premise HaaS system as a backup solution.
- Additional Hybrid Offering: HaaS and Hosted for Multi-Site — A mix of HaaS and hosted is deployed across different locations to meet the unique needs of each site.
Full Capabilities for Medium- to Enterprise-Sized Organizations

MX-E System Hardware
The Zultys MX-E is an enterprise-class IP phone system that includes a PSTN and SIP gateway right out of the box. Reliable and scalable, the MX-E systems integrate voice and video and are loaded with business-enhancing features to optimize collaboration and communications.
MX Virtual Instance
Zultys MX Virtual is a fully integrated Unified Communications solution and IP phone system designed for businesses leveraging their existing infrastructure. Deployable on VMware Ready virtual appliances, it allows businesses to take advantage of virtualization benefits, including enhanced server utilization and simplified deployment.
HaaS requires 100+ users (excludes lobby users) and a 3- or 5-year contract.
Comprehensive Set of Benefits
Peach of Mind
Sense of security with an on-site fully managed and maintained system.
All-in-One Billing
SIP trunks included with no separate carrier bills, making it easy to budget.
Direct Access to Zultys Support
Backed by Zultys’ 100% US-based support team for expert assistance.
Local Survivability
Ability to support existing analog lines to integrate with the system for additional redundancy.
Redundancy Across Sites
With MX Network functionality, connect multiple locations into a single system for seamless communication between offices.
Find The User Package That's Right For Your Business
We have multiple options to choose from, depending on the features you want. Mix and match packages to deploy a system perfectly tailored to your needs.
Business Continuity Options to Keep You Connected
HaaS gives businesses the flexibility to stay connected — even during outages or natural disasters. Whether used as an emergency backup to a hosted system or as the backup for a hosted deployment, HaaS ensures critical communications stay online.
For added peace of mind, optional N+1 redundancy provides seamless failover, minimizing disruptions. This new offering empowers businesses with more choice in how they deploy our award-winning unified communications and contact center platform — with customizable redundancy to match unique needs and budgets.
Security With Direct Access to US-Based Support
With HaaS, your system is always up to date with the latest software and security updates. We manage updates for you, ensuring your communication tools remain secure, optimized, and equipped with the newest features. You’ll never have to worry about outdated versions or missing critical updates that protect your business.
Every Zultys IP phone includes a dedicated easy button for direct access to our 100% US-based support team, with most calls answered on the first ring and an average hold time of just 16 seconds.