Pvdm4 256
Overview
Product sourcing insights & recommendations
The Cisco PVDM4-256 is a high-density Packet Voice Digital Signal Processor (DSP) module that provides up to 256 channels for voice services such as conferencing, transcoding, and secure media termination CiscoCisco. It is a critical component for Cisco ISR 4000 and Catalyst 8000 series routers, enabling large-scale IP telephony and media gateway functions CiscoCisco.
Market Trends & Insights
* Modular Evolution: The market is shifting from motherboard-installed PVDM4 modules to the newer NIM-PVDM form factor. While legacy PVDM4 chips are still required for physical T1/E1 termination, the NIM-PVDM is becoming the standard for IP-to-IP services in SD-WAN environments CiscoCisco.
* Pricing Dynamics: There is a massive delta between official list prices (~$19,000–$21,000) and secondary market rates. Refurbished and bulk units are widely available on B2B platforms for as low as $50–$350, reflecting a high supply of secondary stock as enterprises migrate to newer cloud-edge platforms ItpriceLayer23-Switch.
* Strategic Availability: While "Original Equipment" (spare parts) prices remain high, the B2B market shows strong availability from specialized network hardware suppliers in regions like China, catering to maintenance and legacy infrastructure needs.
I have compiled a detailed list of available PVDM4-256 modules from B2B suppliers, including pricing, MOQs, and technical rationales. You can access the full product data in the file below.
Based on these findings, you can continue with:
Pvdm4 256 Digital Signal Processor Module
Products · 2 lists
PVDM4-256 CISCOS Modules 32-channel Voice Digital Signal Processor Module. for ISR4000 Series Router
Xiamen Global Yipin Trading Co., Ltd.🇨🇳CN2 yrs
PVDM4-256 Modules 256-channel Voice Digital Signal Processor Module. for ISR4000 Series Router
San Fra-n-ci-s-co PVDM4-128 PVDM4-256 Fourth-Generation 128/256 Channel Voice DSP Module
Shenzhen Haixunyi Communication Technology Co., Ltd.🇨🇳CN4 yrs
PVDM4-256 CISCOS Modules 32-channel Voice Digital Signal Processor Module. for ISR4000 Series Router
Henan Koala Data Technology Co., Ltd.🇨🇳CN2 yrs
PVDM4-256 CISCOS Modules 32-channel Voice Digital Signal Processor Module. for ISR4000 Series Router
New Plc Pvdm4-256 256 Channel High Density Voice Module Isr4331 Isr4321k9 Plc Programming Controller
Xiamen Nuochengda Technology Co., Ltd.🇨🇳CN1 yr
New In Box Channel High Density Voice DSP Module PVDM4-256
PVDM4-256 Modules 256-channel Voice Digital Signal Processor Module. for ISR4000 Series Router
Zhengzhou Hongou Network Technology Co., Ltd.🇨🇳CN1 yr
Pvdm4-256 256 Channel High Density Voice Module Isr4331 Isr4321/k9
Xiamen Global Yipin Trading Co., Ltd.🇨🇳CN2 yrs
Cisc PVDM4-256 Voice DSP Module for ISR 4000 Series Routers
Shenzhen Bitinnov Technology Co., Ltd.🇨🇳CN6 yrs
Good Quality Ciscos PVDM4-256 PVDM Voice/FAX 256-channel DSP Modules
Hangzhou Nanyin Trading Co., Ltd.🇨🇳CN3 yrs
PVDM4-128 PVDM4-256 Channel High Density Voice DSP Module
Guangzhou Mainetwork Co., Ltd.🇨🇳CN10 yrs
PVDM4-256 256-Channel High-Density Voice / Fax Module-Fast Shipping
Xiamen Global Shengda Electronics Co., Ltd.🇨🇳CN1 yr
PVDM4-64= High-density Voice and Video DSP PVDM4-64 Original Network Module 32/64/128/256-channel
Henan Juetai Information Technology Co., Ltd.🇨🇳CN6 yrs
PVDM4-64= High-density Voice and Video PVDM4-64 Original Network Module 32/64/128/256-channel
HO KINH DOANH MIYO🇻🇳VN1 yr
4-channel Dante DSP Module for Digital Signal Processor DSP-6464LD+ and DSP-3232LD+
Guangzhou Temeisheng Audio Technic Co., Ltd.verified🇨🇳CN6 yrs
ORIGINAL Industrial Grade Automation Control Module Digital Signal Processor Temperature Unit Input Output for Factory Equipment
Shenzhen Mingxing Electronics Co., Ltd.verified🇨🇳CN1 yr
In Stock PLC X20 DS 1319 X20DS1319 Rev.F0 Digital Signal Processor Module
Xiamen Order Line Automation Equipment Co., Ltd.🇨🇳CN1 yr
Original New DS200DSPCH1ADA Digital Signal Processor Control Board Industrial Module in Stock Fast Delivery
Yiwu Zikong Trading Firm🇨🇳CN1 yr
New Pvdm3-64 64-channel High-density Voice Digital Signal Processor Module New Original Ready Stock Industrial Automation Pac
X20 System Digital Signal Processor Module X20ds4389 4 Input X20ds 4389 Fedex Dhl Ups Plc New Original Industrial Automation
New Original Cheap AUTOMATION X20 DS 1319 DIGITAL SIGNAL PROCESSOR MODULE X20DS1319 PLC
Xiamen KNK Trading Co., Ltd.🇨🇳CN1 yr
Plc Pvdm4-128 - Packet Voice Digital Signal Processor Module for Warranty Product Discontinued
Xiamen Hanxin Hui Trading Co., Ltd.🇨🇳CN1 yr
PVDM4-64 64 Channel High Density Voice module wMounts
PVDM4-128 128-Channel High-Density Voice DSP Module for ISR 4000 W/Mounts Stock in Warehouse
Xiamen Junanluo Trading Co., Ltd.🇨🇳CN1 yr
Plc Pvdm4-64 64-channel High-density Voice and Video Module for Warranty Product Discontinued
Xiamen Hanxin Hui Trading Co., Ltd.🇨🇳CN1 yr
PVDM4-64 ISR 4000 Series 64-Channel High-Density Voice DSP Router Module
Shenzhen Toptoday Network Co., Ltd.🇨🇳CN11 yrs
Original Used Module PVDM4-32=
Beijing Baochuangchaorui Technology Co., Ltd.🇨🇳CN12 yrs
USED in Stock PVDM4-64 PVDM4 DSP Module 64-channel Voice/video High-density DSP Module
Beijing Chenguang Century Technology Co., Ltd.🇨🇳CN2 yrs
PVDM4-32 32-Channel High-Density Voice Module-Lifetime Warranty
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Sources & References
24 sources cited · Verified industry data & reports
Cisco Packet Voice Digital Signal Processor Modules ...
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Cisco Systems
This document describes the Network Interface Modules (NIM) on the newest generation of Cisco routers and how to set them up. PVDM4-256 256-channel, high- ...
PVDM4-256-RF
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The PVDM4-256 provides 256 channels of voice processing, transcoding, conferencing, and secure media termination, enabling large-scale SIP gateway, SRST,
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Cisco Community
It has feature parity with PVDM4 DSP modules and supports both autonomous (non SD-WAN) and controller mode ( SD-WAN). Some of its key features ...
PVDM4-256 Price | Cisco PVDM4 Series Digital Module
ORM Systems
What are the primary use cases for the PVDM4-256? Common applications include large-scale IP telephony, media gateway functions, secure voice conferencing ...
Cisco Fourth-Generation 256-Channel High-Density ...
CDW
A PVDM4 module plugged onto the motherboard delivers IP-based voice services such as conferencing, media optimization, and transcoding. A PVDM4 module plugged ...