Reasons to Choose CallHandler

End Users will like CallHandler because ..

• There are pre-defined products providing off-the-shelf solutions to get you up and running in the shortest timescales
• Standard modules include IVR, Conferencing, FAX and Voice functions and more
• Its modular so you can add functionality to exactly match your business needs
• Its scaleable so you can add lines and extra functions as your call traffic grows
• Its graphical user interfaces simplifies configuration and control
• Its PC/NT based so installation and maintenance use well know techniques
• It supports analogue and digital ISDN lines with full functionality
• You can upgrade from Analogue to ISDN Digital without changing your application software
• You can purchase your own hardware and so benefit from local costs and support options
• Its costs are consistent with PC based technology
• Its robust, so it won't let you down
• Chelston provide top quality technical support to always keep you going

• CallHandler Developer operates on top of CallHandler which has a well defined API which supports rapid application development to get you to market in the shortest timescales
• CallHandler Developer consists of a set of standard modules, Voice, FAX, Conference, IVR, etc. together with application examples, plus an analogue, or a Basic Rate or Primary rate Development card, and documentation
• There are developer kits supporting analogue and Basic Rate ISDN hardware which enables prototyping before going live. So, you can prototype on a 4 line analogue system where the ultimate target is a many line ISDN system - with no change of application code!
• It uses the COM and ActiveX object models throughout so the choice of the high productivity programming language is yours
• Interfaces and applications can be written in Visual C++, Visual Basic etc. so development times and support are reduced as is possibly the need for high powered programmers
• Its modular so you can easily add functionality
• Its NT based so NT applications can be readily integrated into your solutions. e.g. ODBC databases
• Incorporates a suite of status and configuration tools that:
  • are Web browser-based allowing remote configuration and administration of applications and telecommunications hardware
  • incorporates ActiveX components for rapid application development of custom projects
• It has LAN/WAN connectivity built in providing access for control and data storage
• It has built-in, switchable debug trace modes for problem solving support
• It supports dial-in support modes so customer care is of the highest quality
• The modules are 'Install Shield' enabled which provides for simple install and upgrade options
• it is more than a fixed programming environment
  • operates under Microsoft NT and has a standards based, modular, open, scalable architecture
• it is more than a development tool with a fixed programming language
  • supports rapid application development and deployment and ease of set-up and maintenance using COM object model and choice of highly productive programming languages such as Visual C++, Visual Basic, JAVA etc.
• Contains graphical scripting tools as part of its development tools but you are not restricted to their use
• You can purchase complete solutions including hardware, or Software only - the choice is yours
• A pricing model to enable you to get a good return on investment
• Chelston provide specialist Developer Support enabling painless development schedules
• For example, if you want to quickly develop a custom distributed conferencing solution, you could use CallHandler Developer to write new Visual Basic operator and control screens that interface to the CallHandler via our well defined TCP/IP text based communications of methods and events - without having to get into the detailed operation of the hardware.
• CallHandler Developer Product Leaflet (.pdf)

• You can localise the applications via Visual Basic interfaces. E.g. Audio Conferencing System
• Purchase your hardware locally so that you can get the best deals on price and support
• You can provide low cost analogue line development systems where your prospective end users can prototype for ISDN systems with minimum investment and risk
• Its easy to install and support using well known, tried and tested technology
• You can add value by writing your own applications and interfaces
• It uses well defined modules so you can create solutions with minimal effort
• Pre-configured solutions are available which can be sold on immediately
• Pricing which enables good margins and flexibility in configurations
• Chelston provide Reseller technical and sales support enabling you to focus on the customer, not the technology