Voice Fax Module
 Genuine (used) CISCO2821 + PVDM2-8 8-channel fax/voice DSP module 2800 series US $795.00 
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 Genuine Cisco (used) CISCO2811 + PVDM2-32 32-channel fax/voice DSP module 2800 US $625.00
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Genuine Cisco PVDM2-64 64 Channel Packet Fax and Voice DSP Module, NEW SEALED BOX GENUINE CISCO PVDM2-64 VOICE/FAX MODULE FOR CISCO 2800.3800, CISCO DIGITAL T1/E1 PACKET VOICE TRUNK NETWORK MODULE VOICE/FAX NMHDV2E160, CISCO DIGITAL T1/E1 PACKET VOICE TRUNK NETWORK MODULE VOICE/FAX NMHDV2E160, CISCO VOICE/FAX PLUG-IN MODULE 1.544MBPS T1 24 CHANNELS NMHDV1T124E=, CISCO VOICE/FAX MODULE PLUG-IN MODULE 16 CHANNELS PVDM216=, CISCO VOICE/FAX PLUG-IN MODULE 64 CHANNELS PVDM264=, CISCO 60 CHANNEL T1/E1 VOICE/FAX NETWORK MODULE 2-PORTS NM-HDV-2E1-60=, CISCO 3600 2-SLOT VOICE/FAX PLUG-IN MODULE NM2V, CISCO DIGITAL VOICE/FAX TRUNK NETWORK MODULE 1.54MBPS T1 24 CHANNELS NMHDV1T124=, CISCO DIGITAL VOICE/FAX TRUNK NETWORK MODULE 1.54MBPS T1 24 CHANNELS NMHDV1T124=, CISCO VOICE/FAX MODULE 1.544MBPS T-1 24 CHANNELS NMHDV1T124E, CISCO FAX/VOICE/DATA BOARD PLUG-IN MODULE REFURBISHED MC3810DVME1RF, CISCO ICS-7750 20 CHANNEL PACKET VOICE/FAX DSP MODULE PVDM256K20RF, CISCO 32 CHANNEL VOICE/FAX DSP MODULE PVDM332,