Enterprise Network Services, Inc. is a full service integrator located in Chicago, IL. We provide a variety of telecommunications and data services to meet todays business requirements. Focusing on, but not limitied to, Voice-Over IP Business Phone Systems, Cabling & Wiring, Siemens/Nortel/Avaya Maintenance, Moves, Adds & Changes, Fiber installation, SIP Trunking, Consultative services, as well as new and refurbished network equipment. Please visit our Services page for a more detailed account of what we can do for you!

IPitomy VoIP systems.

IPitomy is the most cost-efficient scalable new solution featuring a range of traditional telephony and emerging VoIP technologies. A full range of PSTN and VoIP technologies such as analog lines and T1 lines are supported. Least cost routing, Voicemail, Queues, Auto Attendants, Conferences, Music on Hold and much more... a real cost saving in a fully featured solution! All IPitomy systems are installed and maintained by the ENS, Inc. technical team.

High-Speed Voice/Data/T1 Packages offered through Access One Inc!

Access One utilizes “Dyversaband” which allows both Voice/Data to be carried over ONE LINE without slowing the system. Please visit the Access One website for more information on this excellent service.

Siemens, Rolm and Avaya systems maintenance packages and Refurbished Hardware for the following products

Siemens 4000, Siemens 9006 (Mod 30 and Mod 80), Siemens
Hicom 150 (Hicom 3000) and Siemens / Rolm 9751 product line (Mod 10, 40, 50
and 70). All maintenance packages are customized specifically to meet your unique
requirements. ENS, Inc. maintenance packages are normally 30 to 50% less expensive
than manufacturer provided offerings.

Nortel system maintenance packages and Refurbished Hardware for the following products

Option 11, Option 61, and CallPilot products. All maintenance packages are customized specifically to meet your unique requirements. ENS, Inc. maintenance packages are normally 30 to 50% less expensive than manufacturer provided offerings.

Complete voice, data, and video network cabling installations

Single station adds to complex multi-phase installations. All projects conducted by industry professionals to your complete satisfaction, with system performance being our highest priority. We will consult with you to determine the correct quality of cabling to support your applications, including Category 5e, 5E, 6, 6A, fiber optic, or other alternate media types.

Fiber optic cabling system design and installation

Multimode, single mode, hybrid designs, indoor and outdoor grade, professionally installed within your building or campus. We have experience with all connector types and different grades of fiber to meet your network system requirements.

Moves, adds and changes (MAC) professionally completed as required

Our reputation for quality work at reasonable prices, done on time, makes this a valued service. Let us show you how we can improve your level of service and reduce your current costs!

Project planning, surveys and design assistance available

ENS, Inc. will evaluate your requirements and perform site surveys as needed to assist in developing exact requirements for your voice, data, and video/CCTV and VoIP projects

Network circuit installations and extensions

ENS, Inc. will extend and install your T3, T1, DSL, VoIP, central office and measured business lines from your building NETPOP throughout your facility.

Existing circuit and cabling identification

ENS, Inc. will identify and evaluate existing cable systems for possible re-use. We will also inventory and identify working and non-working Telco circuits for billing verification purposes.

Complete paging system installations

ENS, Inc. will design and install complete paging systems in your office, warehouse, or multi-site application. We will also add speakers and other needed components to expand your existing paging system as needed.

De-installation of existing cabling systems to meet new code requirements

ENS, Inc. will remove your existing voice, data and backbone cabling as required. Complete or partial infrastructure removals will include the disposal of all abated cable.

Complete server hardware and software installation to include VMWARE and Windows Server 200X
Complete installation services available for all accessory products

ENS offers a complete line of accessory products, including; APC UPS systems, Plantronics wired and wireless headsets, and Polycom conference room telecommunications products.

Full Electrical Services

ENS now offers Full Electrical Services for all your electric needs. Our licensed electricians can get your operation running smoothly at a great low rate today!

Fully licensed in all Electrical Systems and Commercial Buildings.

Fully licensed in Low Voltage Wiring, Phone/Data, Fiber Installations, Camera Systems, and more!


Lease & Financing Options

ENS now offers customized flexible financing and leasing services available through Baytree Leasing Company, LLC & NEC Financial.

The company’s leases types include finance lease/conditional sale agreement, true, operating, deferred billing, step, skip, and fee per use, as well as federal, municipal, state, and local leases. It serves a range of industries, including medical, technology, software, office furniture, telecommunications, and automotive machine tool aftermarkets.

Seasoned leasing consultants each focus their efforts in supporting financing programs for specific types or equipment – including healthcare, information technology solutions, industrial equipment, and office automation products. This industry specific focus has allowed our leasing consultants to develop market specific expertise which is available to you when formulating financing options tailored to the nuances of your specific market environment.

SIP Trunking

SIP Trunking is a Voice over Internet Protocol (VoIP) and streaming media service based on the Session Initiation Protocol (SIP)[1] by which Internet telephony service providers (ITSPs) deliver telephone services and unified communications to customers equipped with SIP-based private branch exchange (IP-PBX) and Unified Communications facilities.

With SoTel Systems SIP Trunking services, you can realize tremendous savings on your communications while ensuring a more reliable and resilient infrastructure for your business. No matter what phone system you currently have, you can always take advantage of SIP Trunking from SoTel without replacing any of your existing equipment. SoTel offers both unlimited and metered service plans that will fit the communications needs of any business.

“My experience with ENS has been excellent. ENS installed an affordable telephone system for our company that fit our needs and transitioned us into the digital age. Their response to maintenance requests are timely with an emphasis on the personal touch which promotes a trustworthy relationship between us. I know I can contact ENS and have our needs addressed responsively.”

-Char Kovac, The Intec Group

Enterprise Network Services has been a vendor of McGladrey for many years.  Their service and expertise is invaluable.  We are pleased with the quality of service ENS provides. If given the opportunity we would highly recommend Enterprise Network services to others. We look forward to doing business with ENS for years to come.

-Lori Wilkerson, McGladrey LLP

ENS has a wonderful response time and will often rearrange their schedule to accommodate our needs. I would recommend ENS to anyone who is looking for a professional, courteous and responsive team to take care of your phone system maintenance or repair. Their customer service is outstanding and I consider it a privilege to call them one of our Preferred Partners.

-Tiffany Gilbaugh, Partner Liaison Continuant