Business Phone Systems Raleigh, NC
Running a business in Raleigh, Durham, Cary, or anywhere in the Triangle means your phone system can’t afford downtime. Whether you’re fielding calls from patients, clients, or customers, a dropped call or a dead line costs you money — and trust. That’s where we come in.
DS1 Phone Systems has been installing and supporting business phone systems since 1994. We bring the same NEC, ESI, and Avaya systems trusted by companies like Coca-Cola and Best Buy to small and mid-sized businesses across the Raleigh area — with the kind of same-day, local service the big national providers can’t match.
**Serving Raleigh, Durham, Cary, and the greater Triangle area** — from downtown office suites to multi-location practices, we design phone systems that scale with your business.
Schedule a call https://tidycal.com/ds1phonesystems
Is your phone bill too high? If you’re paying AT&T, Windstream, Charter, or Spectrum for traditional phone lines, you’re likely paying double what you should be. We’ll review your current bill and show you exactly how much a SIP trunking solution could save — no obligation, no pressure. Most Triangle-area businesses we’ve evaluated cut their phone costs by 30–50%. All we need is a copy of your current phone bill to get started.
Click to Call 984-351-5525 or visit our contact us page.
Why Raleigh Businesses Choose DS1 Phone Systems
**Licensed, Bonded & Insured** — over 30 years in business telephone systems
**Same-Day Service** — when your phones go down, you need help now, not next week
– **We Guarantee Our Work** — no fine print, no surprises
– **Authorized Dealer** for cloud based phone systems
– **Local expertise, national-grade equipment** — no call centers, no outsourced install crews
Whether you’re outfitting a new office in North Hills, upgrading an aging analog system near RTP, or connecting multiple locations across Raleigh and Durham, we design the solution around how your business actually operates — not a one-size-fits-all package.
Click to Call 984-351-5525 or visit our contact us page.
Avaya IP Office
What is IP Office?
IP Office is a highly modular IP telephone system designed to meet the needs of home offices, standalone businesses, and networked branch and head offices for small and medium enterprises. The award-winning IP Office gives growing companies a complete solution for telephony, messaging, networking, conferencing, customer management, and unified communications.
IP Office is a versatile communications solution that combines the reliability and ease of a traditional telephony system with the applications and advantages of an Avaya IP telephony solution. This converged communications solution can help businesses reduce costs, increase productivity, and improve customer 
service. IP Office addresses basic telephony needs, leverages built-in convergence capabilities, and capitalizes on robust unified applications to deliver intelligent communications to your users and customers. This small office IP phone system simplifies processes, and streamlines the information exchange within systems to create simple and effective communication experiences.
The Avaya IP Office phone system supports a wide range of telephones, but the Avaya 5400 Series Digital phones and 5600 Series IP phones have been specifically designed to work with IP Office and provide small and medium enterprises with a choice of solutions to meet business efficiency and customer service requirements. The IP Office 500 solutions can be expanded through the use of expansion modules.
Avaya IP Office delivers full voice functionality with a comprehensive set of features. The IP Office system can be configured as a voice-only PBX, using traditional circuit-switched lines, or as an IP telephony server using high-speed ISDN/PRI dial-up access and/or direct leased line connectivity and/or SIP trunks.
The IP Office 500 communication solution can scale up to 384 telephones and 8 T1/E1 trunks.
IP Office 500
Supports 12 expansion modules providing a combination of up to 384 analog, digital, IP, and 3rd party SIP telephones, with capacity for 16 analog trunks or 8 digital trunks (192 T1/PRI channels or 240 E1 channels). Optionally, SIP trunks are also supported. As with the IP Office 412, additional analog trunks
can be achieved by using Expansion Modules. Optional support for up to 128 voice compression channels is available.
The Avaya IP Office system includes a robust set of tools for administration (Manager), call tracking (SMDR), system monitoring and diagnostics (System Status Application). The ability for users to manage their own calls is supplied through a simple GUI (Phone Manager). Phone Manager functionality can be enhanced through simple licensing and to support IP softphones.
When needed, add additional applications, including:
• Synchronizing voice mail messages in an email inbox for easy message management
• Scheduling conferences
• Uploading documents for real-time viewing
• Managing audio privileges for conference calls
• Using agent reporting and wallboards for call center environments
The Auto Attendant application enables callers to route their calls to the relevant department/person without the need to speak to an operator/receptionist. Receptionists/operators can take advantage of the Soft Console GUI application to present a professional view of the business to all callers. TAPI (Telephone Applications Programming Interface) support enables IP Office to be linked to Microsoft Outlook and other popular desktop applications for screen pops and PC-based telephony management.
Investment protection is offered through handsets supported by several Avaya platforms, and provides a migration path that is forward and backwards compatible. IP Office supports IP and digital telephone operation, with large display desktop phones with sophisticated screen-driven feature access. Single button on/off control and menu driven displays are available for selected features for ease of use.
ESI Phone Systems Raleigh NC
ESI is an industry-leading manufacturer of innovative communications servers, software and products for businesses. It offers its award-winning all-in-one phone systems for nearly every size of business from 2 to 1,000 extensions.
ESI business telephone systems brings innovation to any clients work environment; with standard features such as Automatic Call Distribution (ACD), Live call recordings, Spoken “verbal” Help with just the press of the Help Key!
ESI business telephone systems bring the best of both worlds without locking your business into either technology–VoIP or Digital telephone systems. Each ESI telephone system can be equipped with all IP telephones or all digital telephones or a mixture of both; thus allowing our clients the flexibility that meets both their needs and budget.
Properly configured by DS1 Phone Systems, an ESI Communications Server can handle your heaviest communications needs for your offices in North Carolina or anywhere in the world. The ESI technology also allows you to connect up to 100 other phone systems together for 1 touch DSS dialing between offices!
There are multiple models, with differing capacities, but all share the features mentioned above, plus:
- Digital stations, IP stations (including SIP), or any combination thereof
- T1/PRI support
- Massive voice message storage
- Sophisticated voice mail features
Each ESI telephone has a sealed membrane below the keypad to make it virtually spill-proof; making the ESI telephones one of the most reliable telephones in the industry. ESI telephone systems exceptional features and attractive pricing results in tremendous value for businesses of any size.
ESI offers many features that other phone systems haven’t even thought of. How convenient would it be if you could simply point and click inside of Microsoft Outlook to make a call? ESI has been offering this for years with their VIP (Visually Integrated Phone) 7 Software! How would you like to program your own phone and have it customized to your standards? ESI does that too, with a simple drag and drop you can program other extensions, features and 1 touch speed dials all within the software on your desktop to make your phone a more productive tool! Please watch the following video to see all that the ESI VIP7 can do for you, I promise, you will be amazed!
Wouldn’t it be handy if you could automatically log out of your phone once you left the office? ESI offers this wonderful feature as well! ESI Presence Management is a hardware and software solution 
incorporating an innovative combination of RF scanning technology and ESI’s business communications systems.
Now even small and medium-sized enterprises can reap the benefits of:
- Presence indication.
- ESI’s Personal Call Routing.
- Access control.
- Documented tracking of users’ work hours and attendance history.
Click to Call 984-351-5525 or visit our contact us page.
Watch this video to see how the Presence Management Module can help you.
ESI Media Management
Harness the power of video and audio recording and make it work for you. Check out how ESI Media Management gives you insight in to what is happening at your organization and provides you with an amazing risk reduction solution. Available exclusively from ESI, Media Management provides call logging and recording, monitoring via live and recorded video, call detail analysis, data storage and archival, and much more.
ESI phone systems are used by major companies such as:
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Nortel Norstar Phone Systems Raleigh NC
Every Nortel Norstar business phone system RaleighNC begins with an Integrated Communications System that is 
fully digital and provides crystal clear calls. The compact ICS telephone system is perfect for small businesses. It has the capacity to handle 4-8 incoming lines and 16-24 extensions. It is by far the most popular and reliable small business phone system on the market today.
Adding Caller ID to the system is a snap. Simply switch out the the LSDS card and install the CID card and then program the phones to receive caller ID on the displays.
The Modular ICS is for companies with more than 24 employees and provides a robust system that will grow with your business. You can start with as little as 4 outside lines and grow to 2 PRI digital circuits that deliver 46 lines of communications for your business. The outside extensions start at 32 ports and 
can grow to 192 just by adding additional expansion cards and phones as needed.
For dynamic, larger or multi-site businesses that need sophisticated capabilities, Nortel Norstar Modular Integrated Communications System, the premier Norstar platform, grows to support up to 280 ports in various configurations making it the choice of most businesses as a pbx phone systems Raleigh nc. Software and system expansion modules enable you to grow as your business needs change, both in capacity and features. For example, you could start with basic voice messaging, then add desktop messaging, add enhanced call center services. music on hold or message on hold, or take advantage of networking to deploy telephony applications in one place yet extend capabilities to many locations.
Click to Call 984-351-5525 or visit our contact us page. Looking for a Phone Technician to relocate your existing system? We can do that too!
Proudly servicing the following business phone systems: NEC, Avaya IP Office, Avaya Partner ACS, Nortel Networks, Nortel Norstar, ESI, Samsung Prostar 816
DS1 Phone systems is an authorized dealer for ESI and NEC SL 1100 phone systems. However, we are not an authorized dealer for Avaya phone systems or Nortel phone systems. Nortel Networks, Meridian, Nortel, Norstar, BCM, CICS and MICS are the registered trademarks of Nortel Networks Inc. DS1 is not affiliated, authorized or licensed by Nortel, Nortel Networks Inc. or Avaya Inc.