J & L Telcom
Grennan Communications in West Plains Missouri has been serving the telecommunications and security needs of Southern Missouri and Northern Arkansas for nearly 40 years. Grennan Communications is an Authorized Tadiran Dealer, with state-of-the-art business telephone equipment, from small PBX systems to multi-location full-featured extension management, call accounting, and voicemail systems, including Voice and Video over Internet Protocol (VoIP).

Additionally, we offer a full range of residential and commercial security solutions, from custom-designed burglar and fire alarm systems to video surveillance and CCTV. Contact us for more information on the many other ways we can help with your communications and security needs.

Grennan Communications understands that the ever-changing world of technology can be sometimes be overwhelming, Our knowledgeable sales department and factory trained technicians take the time to design and implement a customized plan that is right for YOU.We make communications and security user-friendly, with on-site employee briefings available.

read more › Aeonix is a pure software based Unified Communications & Collaboration (UC&C) solution that consolidates disparate business applications into a single powerful platform. It is delivered on a fault tolerant and open architecture, with intuitive management tools. Aeonix can be deployed in a private cloud environment or as an on premise solution. The Tadiran T58V SIP Video Phone is a simple to use, smart media phone that provides an enriched HD audio and video calling experience for business professionals.

read more › You don't need a large call center to manage your calls and call distribution. Toshiba's contact center solutions serve customers quickly, efficiently, and cost-effectively, providing a competitive advantage, no matter what the size of your company. Voicemail Flexibility Integrated voice processing applications help you improve customer service by providing callers with instant attention and access to information. Voicemail is built right into the IPedge, with no additional equipment necessary.

read more › Built to withstand the rigors of any busy workplace, Toshiba IP Business Telephones improve your ROI by eliminating long distance charges between locations, extending capabilities to remote locations, and connecting wired and wireless systems. Use your private intranet or the Internet to extend full telephone system functionality to any location in the world. Plus, the slim profile and unique 8-angle tilting base will improve your office ergonomics. Advanced Digital Speakerphones Intuitive features are designed to make your telephone an extension of you.

read more › FAQ/Message Light= Hitting your intercom button and dialing 409, or #409 will turn off most message waiting lights on the Toshiba telephone systems. Press # * 51 (If your telephone has RDL (Redial) and REP (Reperatory Dial) keys, press RDL REP 51). Press # * 52 (If your telephone has RDL (Redial) and REP (Reperatory Dial) keys, press RDL REP 52). Press # * 53 (If your telephone has RDL (Redial) and REP (Reperatory Dial) keys, press RDL REP 53). The time and date on CTX systems prior to Release 1.02 MA228 can not be easily changed by end-users.

read more › For over three decades Napco has been designing innovative systems for both residential and commercial applications. Napco offers a comprehensive line of hardwired, wireless and hybrid systems to meet the needs and concerns of individuals who have interest in protecting their homes and businesses. Contact us by phone or e-mail to schedule an appointment for your customized security system! DSC security systems offer reliable and affordable wireless solutions for residential protection. DSC offers a wide range of wireless devices that incorporate a contemporary design that blends with the modern architectural design of your home.

read more › Our Access Systems a offer a full line of readers ranging from proximity, wiegand, keypad, magnetic stripe, bar code and biometric. Enhance your investment in access control and perimeter security by providing a simple and effective way to register, badge, track and manage your facility's visitor traffic.

read more › Structured cabling is a standardized cabling system designed to carry voice, data and video signals. The media you choose for the cabling implementation is determined by many factors, the most important are your bandwidth needs (current and future), your network environment, and your budget. Networks have increased from 10 mb per second to 10 gb per second. This requires the installation of a well designed system and promotes the use of fiber connections in the backbone and workstation connections.

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