Customer Service 
Rating by LivePerson
See Chicago Computer Supply Reviews at
Click to verify BBB accreditation and to see a BBB report.McAfee Secure sites help keep you safe from identity theft, credit card fraud, spyware, spam, viruses and online scams
Home About Us Contact Us Privacy Policy Return Policy Customer Testimonials
Home > Networking > Cisco Systems > Cisco Modules, Cards, Adapters, Transceivers, GBIC's, and WAN > Cisco Expansion Slot Voice/Fax Module NM-HDA-4FXS

Cisco Expansion Slot Voice/Fax Module NM-HDA-4FXS

Cisco Expansion Slot Voice/Fax Module NM-HDA-4FXS
Item #:NM-HDA-4FXS
Regular price:$129.99
Sale price:$99.99 - You Save 23%
Availability:Usually ships the same business day


Cisco voice solutions provide the means for integrating both voice and data within a single network allowing users to take advantage of services, such as toll-bypass, without sacrificing voice quality.The Cisco High-Density Analog Voice and Fax Network Module provides DTMF detection, voice compression and decompression, call progress tone generation, voice activity detection (VAD), echo cancellation, and adaptive jitter buffering.


  • Device Type : Voice / fax module
  • Enclosure Type : Plug-in module
  • UPC : 746320673714
  • Interface Type : Expansion Slot
  • Connectivity Technology : Wired
  • Processor : 2 x Texas Instruments
  • Protocols & Specifications : ITU-T T.30
  • Data Compression Protocol : G.729, G.711, G.723.1, G.728, G.726, G.729.A
  • Voice Communication Support : VoIP
  • Multiplexed Channels Qty : 4
  • Features : Auto answer, auto call detection, automatic Data/Fax detection, auto gain control, auto redial
Expansion / Connectivity
  • Expansion Slot(s) : 2 (total) / 2 (free) x Expansion Slot
  • Interfaces : 1 x phone line - FXS - 50 PIN Telco - 1 1 x daughterboard - 1
  • Compatible Slots : 1 x Expansion Slot
  • MTBF : 750,000 hour(s)
Compatibility Information
  • Designed For : Cisco 2610, 2611, 2611 VPN Bundle, 2611XM VPN Bundle, 2612, 2613, 2620, 2621, 2621XM VPN Bundle, 2650, 2651, 2651 VPN Bundle, 2651XM VPN Bundle, 2821 Security Bundle, 2851 Security Bundle, 3620, 3640, 3640 Gatekeeper, 3640 VPN Bundle, 3660, 3661, 3662, 3662 VPN Bundle, 3745 VPN Bundle, 3825 Security Bundle, 3845 Security Bundle, 3845 V3PN Bundle
  • "I had one of the most pleasurable and efficient online purchasing experiences through Chicago Computer Supply. Todd went above and beyond my expectations for service, which definitely has convinced me to order from your store again in the future. It helps too that the product that I ordered arrived in perfect condition and has met my needs completely. Thanks again!."

Chicago Computer Supply, Inc., Computers  Dealers, Chicago, IL

Join our mailing list and be the first to hear about special offers and promotions

Copyright 2019 All rights reserved.
eCommerce Design by Solid Cactus.