VoIP Systems, Audio Visual, Paging Systems and More Dallas-Fort Worth and Nationally


Cloud-Hosted VoIP Phone Systems

Office Telesystems offers cloud VoIP, cloud PBX, or hosted VoIP phone systems for Dallas, Fort Worth, the DFW area, and nationally. We offer cloud VoIP (also known as hosted solutions) for small and large business offices alike, whether working in an office or remotely, in single or multi-office designs.


NEC Phone Systems

Office Telesystems is a leading provider of NEC phone systems for the Dallas, Fort Worth, DFW area and nationally, including their hybrid VoIP phone system, the NEC SV9100!

NEC SL 2100 Phone Systems

NEC SL 2100 Phone Systems

Office Telesystems carries the new NEC SL2100 small business hybrid VoIP phone system for Dallas-Fort Worth and the DFW Metroplex! The NEC SL2100 is a cost-effective small business solution up to 80 endpoints, including small business multi-office VoIP networking applications and remote VoIP phone options.


Avaya Telephone Systems

We offer Avaya VoIP and digital PBX phone systems such as the Avaya IP Office for the Dallas-Fort Worth DFW area and nationally for enterprise business. See Avaya's new J100 Series VoIP phones as shown above! GB and wireless VoIP phone options are available. Service is also available on legacy Avaya products, such as the Avaya Partner and more.


Overhead Paging Systems

Office Telesystems provides overhead paging systems for Dallas-Fort Worth, DFW, regionally, and nationally. We provide one speaker overhead paging systems for small businesses to large multi-zone paging systems for schools, large warehouse facilities, and more.


Audio Visual Systems

Office Telesystems can provide large and small audio visual system installations in the Dallas-Fort Worth area, as well as nationally. We have provided audio visual applications for schools, corporate offices, manufacturing, distribution, and more. We also provide voice, data, and video cabling to complete your audio visual system.


Mitel Phone Systems

Office Telesystems provides Mitel phone systems for the Dallas-Fort Worth and surrounding DFW area, with hotel/motel and other larger system designs on a nationwide basis. Systems include the Mitel MiVoice 250, Mitel SX200ICP and more. Contact us today for new Mitel phone systems, Mitel system service, Mitel systems adds, or Mitel system maintenance agreements.


Call Management System Software

Metropolis Office Watch and Profit Watch call management system software options offer innovative software design and help businesses and hotels of all sizes maximize productivity, monitor emergency calls, capture revenue and control telephone costs through a wide range of sophisticated reporting options and flexible features.


On Hold Marketing

Office Telesystems is your authorized dealer in Dallas Fort Worth and nationally for Ocean Breeze On Hold Marketing products, one of North America's leading providers of telephone on hold marketing services and equipment for both cloud phone systems and premise based VoIP phone systems.


Call Recording Systems

Office Telesystems offers call recording systems in Dallas, Fort Worth and nationally for your telephone system. We offer the finest in call recording solutions from Versadial and Intelligent Recording. Many businesses have a need for a call recording system for their offices, whether a small business with 3 phones or a 30000 employee multi office enterprise.

Samsung Phone Systems

Samsung Phone Systems

Office Telesystems has been an authorized dealer for Samsung phone systems in the Dallas Fort Worth area since 2011. After many successful years on the market Samsung Electronics America (SEA) has ended the sale of the Samsung OfficeServ phone system products as of September 30, 2019. The last day to order new OfficeServ systems, cards and VoIP phones was September 30, 2019. Some licensing is still available through September 30, 2020. We will continue to provide support for these products with refurbished equipment and service. Manufacturer technical support from Samsung will continue until September 30, 2021. As it has been, in-warranty hardware repair/replacement will continue for 5 years from the date of purchase from Samsung. The last day for any warranty coverage still valid will be September 30, 2024.

If you have a significant investment in your Samsung system, count on Office Telesystems expert technicians to help you get as much as possible out of your investment until its time to invest in new technology.

Some of the advantages to Samsung Officeserv:
No software assurance fees
Options for analog, digital and VoIP desk sets
Scaleable architecture, including multi site with redundancy options
5 year manufacturer parts warranty on all products purchased before September 30, 2019
Mobility options available

NEC SL1100 and DSX Phone Systems

NEC SL1100 and DSX Phone Systems

Office Telesystems provides NEC SL1100 phone systems sales and service for the Dallas Fort Worth area, regionally and nationally. Though the NEC SL1100 system is no longer manufactured or supported as of March of 2019, see NEC's new SL2100 hybrid VoIP phone system, which can utilize your current SL1100 desk phones, doorboxes and more!

NEC SL1100 End of Life Announcement

NEC has announced the end of life and end of support for the NEC SL1100 effective the 31st March 2019. The NEC SL1100 began production in 2012. NEC has made way for the newer NEC SL2100 platform.

Here is the current status of the NEC SL1100 support from NEC:

No new user licenses for System. You cannot add more licenses to the system.
There are no more software updates
You will still be able to obtain service from Office Telesystems but with limited capacity
We will have limited replacement parts available.

Vodavi Phone Systems

Vodavi Phone Systems for Dallas Fort Worth

Many Vodavi (now Vertical) phone systems are no longer manufactured or supported, but are still seen in many small businesses in the Dallas Fort Worth area. These reliable, easy to use products have provided years of service for many of our customers. Vodavi was purchased several years ago by Vertical Communications, with much of the Vodavi product line discontinued with no manufacturer support available. Office Telesystems is a service provider for Vodavi phone systems such as the Vodavi Starplus STS as well as replacement hardware for all other Vodavi Phone Systems such as the Starplus 616, 1224, Starplus Digital 816, 1428, 4896, and XTS models. Vodavi systems are primarily digital phone systems with VoIP options available in some newer models. Vodavi phone systems are expandable telephone systems primarily designed for the SMB market up to 96 stations, with the Vodavi XTS IP expandable to 492 extensions. Vodavi phone systems are easy to use and affordable in a used or refurbished platform. System moves and service are available, however, with some issues you could realize extended downtime, costing you valuable business. If you are ready to move into new technology for your next phone system, we have several options available. You can view these options in our Products section, or contact your sales representative at Office Telesystems for more details.

WIN Phone Systems

WIN Telephone Systems Dallas Fort Worth

WIN Telephone Systems are no longer manufactured or supported since 2013 but there are some WIN systems that still remain in operation in the Dallas Fort Worth area. WIN systems such as the WIN 36D, WIN 100D, WIN 48, 96,128CT and WIN 440CT systems have provided businesses many years of trouble free operation. Office Telesystems is one of the few remaining companies in Dallas Fort Worth that has parts for the WIN product lines. Contact us for service if you're trying to squeeze the last breath out of your WIN system, or for refurbished equipment until you are ready to upgrade to new technology. System moves, repairs, additions and maintenance contracts are available. Keep in mind since WIN phone systems are no longer manufacturer supported, service, support and repair options may be limited. Contact your sales representative at Office Telesystems if you're ready to invest in new technology for your business.