Sangoma B600 Analogue Voice Card 4 Port FXO + 1 Port FXS
Introducing the Sangoma B-Series — now even cost-conscious customers can opt for Sangoma's premium audio and engineering quality by choosing the voice card designed specifically for smaller-budget installations. For small, stable systems, when the modular design, single-slot expansion and port-customization power of Sangoma's A200 and A400 series is not required. The Sangoma B600 voice cards deliver customers a substantial cost savings, coupled with the "because it must work" quality and the Wanpipe® high-end system diagnostics, drivers, and utilities for which Sangoma is known worldwide. Your customers can achieve optimum echo-cancelled voice quality and enhancement by choosing models with Telco-Grade DSP Hardware Echo Cancellation. One DSP echo canceller on the B600D or B600DE voice card provides Telco-grade hardware echo cancellation on all channels with no additional CPU load and minimal additional cost.
4 ports of FXO and 1 Port of FXS. Support for Asterisk®, FreeSWITCH™, Yate™, trixbox™, and PBX/IVR projects, as well as other Open Source and proprietary PBX, Switch, IVR, and VoIP gateway applications. Single synchronous PCI interface for all ports. Dimensions: 2U Form factor: 140 mm x 55 mm for use in restricted chassis. Includes both standard and short half-height compatible mounting clips for installation in 2U rack-mount servers. 32 bit bus master DMA data exchanges across PCI interface at 132 Mbytes/sec for minimum host processor intervention. Autosense compatibility with 5 V and 3.3 V PCI busses. 
