Designed specifically for call centers and enterprises. The Blackwire 3220 USB Type-A Corded Stereo UC Headset from Plantronic works with Windows platform and USB devices.. One of the best headset for small budget.
Compatible with: ATCOM: R4,R3,R2,R1, AT840,AT820,AT810,AT800 Digium: D40, D50, D70 Fanvil: C68 ,C66,C62, C58P, C58,X3/X3G, X5/X5G, C01 Polycom: CX100,CX200,CX300,CX500,CX60, SoundPoint: 301,335,400,430, 450, 500 (rev. E or later), 501, 550, 560, 601, 650, 670 Snom: 300 ZYCOO: H81, H83
Finally Logitech bring an affordable solution to small to medium size business. Almost 20% cost of Polycom solutions. Price includes implementation charges (Excluding civil work) only for Islamabad / Rawalpindi.
List of products by brand Digium
The 1A4B03F belong to Digium family of A4 Series. This card can be installed in server PCI-Express slot. This card has built in Echo Cancellation
Digium Quad Span Digital T1/E1/J1/PRI PCI-Express x1 Card (1TE435BF) with Hardware Echo Cancellation (VPM128)
Digium 4 Port E1/T1 digital asterisk card 1TE435BF supports up to 120 concurrent calls ideal for large call center. This card works out of the box with any asterisk version.