The Aastra 6757i CT (also known as the 57i CT) is a flagship, SIP-based executive IP phone featuring an integrated WDCT cordless handset for mobility. It includes a large 144x128 pixel backlit display, 12 programmable keys, full-duplex speakerphone, and supports up to 9 simultaneous calls. It is ideal for users needing desk mobility.
Key Features and Specifications:Cordless Mobility: Integrated 2.4 GHz WDCT cordless handset allows freedom of movement, with roughly 4 hours of talk time and 4 days of standby.
Display & Interface: Large graphical backlit display with XML browser capabilities for custom applications.
Call Handling: Supports up to 9 lines with call appearances, offering advanced call management, including conferencing and transfers.
Expandability: Supports up to three M670i expansion modules for additional keys.Audio Quality: Wideband audio with a full-duplex speakerphone.Connectivity: Two-port 10/100 Ethernet switch and PoE (Power over Ethernet) support.
Common Configurations:Speed Dial: Configure frequently contacted individuals by pressing and holding an available line key, then saving.3-Way Calling: Use the "Conference" soft key to create a three-way call.Call Forwarding: Accessible via the Options key > Call Forward menu.
