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	Key Phone System

Unsurpassed Value in a Digital System

Sigma Series is a fully digital hybrid key system that delivers remarkable performance for an equally remarkable price. It offers all kinds of advanced features you'd expect to find only on high priced, big business system. The unique LCD window prompts users on how to operate the system and makes it especially user-friendly. This competitive system is designed to simplify business processes, maximizing productivity and compromising every employees' requirements.

System Flexibility Second to None

The sigma is flexible and can be easily expanded. The basic 3/08 system can double to 6/16 system, and even all the way up to 9/24 stations configurations. And thanks to the advanced digital technology which can also double the stations by using the digital mother phone with its baby phone design. It is free.

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Sigma Series. Enhanced features in a system
Sigma Flexibility	Advanced Features
- Expansion of baby phone design	Flexible call forwarding options
- Flexible numbering plan	- 4-way conference
- Flexible call receiving/ ringing assignment	- User password, Lock/ Unlock phones
- Interactive display with soft key navigation	Park and Page Groups access
- Fully programmable buttons with dual-color LED	Flexible Class of service setting
- Support third-party Voice Mail System	- DISA & external call forwarding
	Station message detail reporting (SMDR)
	Speed Dialing (System & personal)

Sigma Series. The Right Choice

Sigma saves your time and money. Boosts productivity with these value added features that guarantees maximum flexibility to your business. Sigma utilizes the latest 2B+D Technology that protects your investment. Sigma Series is designed in a way that each extension phone is only needed to have one twisted pair running back to the main service unit (MSU), which literally switches extension wire onto another's for in-house communication.

PC based administrative Programming.
The sigma comes with an intelligent Window-based, PC interface that is easy to understand and actually guides you through programming steps. You just need a PC connect to SIGMA than you are not only program the system easier, but also saving your valuable time.

Data Communication
Sigma series Key Phone system opens to the door step of the World Wide Web. Simply by connecting your PC modem through the DA Mother phone Port, Then Sigma will get you surfing the Internet.