CIS is the worldwide industry leader in secure and custom communications technologies including TEMPEST, TSG, and a broad portfolio of Tactical and Custom products that meet the most demanding requirements for government and commercial security-conscious customers.. Select a product family below to find the products that best suits your needs. Please contact us here with any additional questions!

Cisco 8841 Fiber Enabled VoIP Phone

Cisco 8841 Fiber Enabled VoIP Phone

Manufacturer: CIS Secure Computing

Key Features

  • 5-inch high resolution widescreen VGA color display
  • Supports a built-in Gigabit Ethernet switch for PC connection
  • Dual SFP Fiber ports supporting 100Mb and 1Gb data rates
  • Switch speed auto-negotiation
  • Integrated fiber port allows for clean desktop installation
  • Supports 10 line appearances through Enhanced Line Mode feature

The 8841 phone supports Session Initiation Protocol (SIP) for signaling, Session Description Protocol (SDP), IPv4, and IPv6.  The phone is optimized for use with Cisco Unified Communications Manager.  

It also combines an attractive new ergonomic design with wideband audio for crystal clear voice communications, “always-on” reliability, encrypted voice communications to enhance security, and access to a comprehensive suite of unified communication features from Cisco on-premises and hosted infrastructure platforms and third party hosted call control.

Product Code LAN Port PC Port
DTD-8841-00B3A 100MB SFP 100MB SFP
DTD-8841-00B1A 100MB SFP RJ45
DTD-8841-00E5A 1GB SFP 1GB SFP
DTD-8841-00E1A 1GB SFP RJ45
DTD-8841-00E3A 1GB SFP  100MB SFP
Product Code Item Description
DTD-88XX-PTT Push to Talk handset
DTD-88XX-PTM Push to Mute handset
DTD-88XX-MR Microphone removal

CIS Secure solutions are available directly from CIS, our authorized resellers, and government contracts including GSA, ITES-3H, NETCENTS-2, and SEWP V.