Legacy Phone Systems - Avaya, Nortel, Norstar, and Siemens/ROLM

Affordable Solutions With Advanced Calling Features

Zen-Tel carries a complete line of phone systems and most components for Avaya, Nortel, and Siemens/Rolm systems. Whether your organization is a small or mid-sized business or large enterprise, Zen-Tel can customize a legacy switch with traditional calling features to fit any need. Because Zen-Tel is an authorized dealer, all new systems are covered under the full manufacturer warranty. Additionally, all refurbished phone system hardware is covered under our 1 year, full working order warranty. Avaya, Nortel, Norstar, and Siemens/Rolm phone systems are also eligible for coverage under Zen-Tel's network maintenance packages.

For a needs/pricing evaluation on phone systems give us a call toll free at (866)693-6835 or request a quote here.

Kansas City Telephone Systems - Nortel, Norstar, Siemens/Rolm, Avaya
Phone System Product Line
Avaya Definity, Merlin, and Partner Phone Systems

Avaya Phone Systems

Avaya Voice Solutions
Zen-Tel is now proud to offer Avaya voice solutions for companies of all sizes including Definity, Merlin, and Partner series systems and components. Avaya legacy systems are a popular solution and are great for basic calling and voicemail functionality.

Avaya Legacy Phone Systems
Avaya Definity PBX Systems
Avaya Partner SME Systems

Nortel PBX Phone Systems

Nortel Meridian PBX Systems

Nortel Large Enterprise Voice
Nortel Meridian 1 PBX equipment is designed for medium to large sized organizations and includes all Option series phone systems and components. Nortel PBX solutions offer top-of-the-line calling features and can be integrated into legacy or VoIP systems.

Meridian Option Series Systems & Equipment
Meridian Max Call Center

Norstar Key System Phone Systems

Nortel Norstar Key Systems

Nortel Small Business Voice
Designed for small to medium sized businesses Nortel Norstar equipment includes all Key System and ICS series phone systems and components. Norstar Integrated Communication Systems are great for small businesses who wish to utilize advanced call features and attractive digital phones.

Norstar Key Systems
Modular ICS Equipment
Compact ICS Equipment

Siemens PBX Phone Systems

Siemens/Rolm PBX Systems

Siemens/Rolm Voice Solutions
Siemens/Rolm PBX solutions are customizable to the needs of any sized organization and include all Hicom and Rolm series phone systems and components. Siemens systems are a top choice for large calling environments and Zen-Tel's techs are industry recognized experts at customizing Siemens switches.

Siemens Hicom Systems
Siemens Hicom 150 Parts
Siemens Hicom 300H Parts
Rolm Parts

Support & Services

Zen-Tel offers complete service for all Nortel and Siemens/Rolm systems and applications! With affordable plans and expert technicians you can get the security and convenience of complete network protection.

Learn More

If you don't find what you're looking for online give us a call or contact us. We are constantly updating our product line and can locate most telecom equipment at very short notice.

* You can purchase all products online or directly from Zen-Tel. To speak directly to a salesperson contact us or call 1(866) 693-6835.