Phone Systems

With ESI Phones, it's Easy to Communicate.

As one of the oldest phone companies headquartered in Maryland, GTB has acquired a great deal of knowledge about business communication needs. GTB consults, designs, and installs various models of phone systems.

All models are equipped with the latest state-of-the-art features and can handle from two to several hundred users. Combining GTB phone service with a new phone system may produce an excellent, cost-effective solution for your business.

Click Here to learn how to set your phone system for the new Daylight Saving Time, DTS.

C Plus System Features

Advanced Automated Attendant
Premier Quality Voice Mail
Message Notification
Speed Dial Index (ESI-DEX)
Caller ID Key
Department Groups
Music/Message on hold
Voice Over / Background Announce
Live Call Recording
Conferencing
Trunk to Trunk Transfer
Station to Station Intercom
System Paging
Verbal Help
5 Year Warranty on all Parts
Up to 8 Voice Lines, 16 Digital Extensions
& 4 Analog Ports

ESI 50L Communication Server Features

All Features of the C Class
Use of 48 Key Feature Phone
Presence Management
Digital Door Box / Reader
VIP VoiceMail to Email
Caller ID Key
Virtual Answer
16 channel Conferencing
Up to 16 Voice Lines and 32 Digital Extensions,
& 8 Analog Ports
23 Voice Lines with a PRI

ESI Communication Servers Features

All Features of the 50L Plus
Automatic Call Distribution
T1/PRI Support
Message Monitor Mode
Service Observe
Local / Remote IP Phones
Built-In NSP
Rack Mountable Cabinet
Up to 168 Voice Lines and 260 Digiatl or 400 IP Extensions

VIP

With VIP (Visually Integrated Phone), you can combine the power of your ESI phone system and Microsoft Outlook to enhance communication in your day-to-day activities - including the ability to control calls and organize voice mail and contacts.

VIP comes in two "flavors": Basic VIP and VIP Professional. Each configuration is licensed independently, with easy migration from Basic VIP to VIP Professional. Each lets you intelligently do the following from your PC’s screen:

Manage your telephone calls
Manage your voice mail
Organize your contacts
Log all your inbound and outbound calls
Quickly program your ESI Feature Phone

And, with VIP Professional, you also get:

Enhanced, more informative user interface
Secure text-messaging
Auto-recording capability
Compatibility with ESI PC Attendant Console

Regardless of your selected configuration, VIP is easy to implement. It connects to your existing local area network (LAN) and is non-invasive. There’s no need to upgrade the LAN or install Microsoft Exchange® — thus avoiding a costly and impractical solution for the small to mid-size business. (VIP requires Microsoft Outlook 2000, 2002, or 2003.)

Click here to learn more about VIP and VIP Professional.