The Mitel 6737 SIP Phone is a high-level phone for users who demand a lot from both their phones and their networks. 
- HD Audio
The Mitel 6737 incorporates HD audio technology to deliver enhanced performance
and voice clarity. Integrating wideband audio software and hardware, the Mitel 6737 maximizes the acoustic performance to deliver a remarkable audio experience on every call, whether using the handset, hands-free speakerphone or headset port. - XML Browser
The Mitel 6737 is equipped with XML browser capabilities and an extra large display with dynamic softkeys to easily access customized services and applications. This feature provides unlimited potential to customize the Mitel 6737 to meet your specific business needs or vertical applications using the display and keypad. - Enhanced Call Management
The Mitel 6737 includes features such as shared call and bridged line appearances, call forward, call transfer, call waiting and 3-way conference providing enhanced call flexibility and control. - Expandability
The Mitel 6737 offers two different module extension options. It supports up to three Mitel M670 modules, each offering 36 keys with LED indicators to create a feature rich attendant console. Or, it will also support up to three of the advanced Mitel M675 modules, each offering 60 keys with a screen based LCD display and LED system.
