The Cisco voice DSP module, part number PVDM-256K-4U20, is a digital signal processing (DSP) module designed for use in voice and video communications. This module offers 256K of data storage, enabling efficient processing of voice packets. It is primarily aimed at enhancing the speech quality as well as supporting various codecs for VoIP applications. The DSP module allows for optimisation of signal conversion and improves overall voice clarity, particularly in demanding network environments.
As part of the Cisco PVDM series, the PVDM-256K-4U20 leverages advanced technology to facilitate tasks such as voice compression, echo cancellation, and conferencing. This model supports multiple industry-standard voice codecs, enabling it to adapt to varying bandwidth and performance needs. Integrated within Cisco voice-enabled network units, this DSP module plays a key role in managing real-time voice and media traffic.
The Cisco voice DSP module also offers support for four DSP channels, making it well-suited for scalable applications in small to medium businesses or enterprise environments. Its flexibility allows for simple addition or upgrading of channels as required, offering a future-proof solution. This module is designed for rack-mounted deployment and typically fits within a standard Cisco chassis or similar infrastructure.
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