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                The Cisco 4000 Series Integrated Services Routers (ISRs) host the Cisco network interface modules (NIMs), which have evolved from the enhanced high-speed WAN interface card (EHWIC), increasing port density and module capability. The NIMs support online insertion and removal (OIR), reducing the downtime required for new or replacement modules
            
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                0.42 lbs
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                Designed for: Cisco ISR 4331, 4351
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                Connectivity Technology: Wired
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                Interface module, documentation
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                Manufacturer Product Line: CiscoModel: Fourth-Generation Network Interface Module
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                Features:
 Caller line ID
 G.711, G.729a, and G.726
 G723 and Internet Speech Audio Codec (iSAC); Internet Low Bit Rate Codec (iLBC) is on the roadmap
 Fax detection, pass-through, and relay (T.38)
 Modem detection and pass-through
 Dual-tone multifrequency (DTMF) detection
 Echo cancellation
 Voice activity detection
 Comfort noise generation
 Real-Time Control Protocol (RTCP)
 Acoustic shock protection
 Noise reduction is on the roadmap
 Real-Time Transport Protocol (RTP)
 RFC 4733 Digit Relay
 FXO unique features:
 Supports both ground start and loop start modes
 Provides call detail record (CDR) information
 Support for interworking with Cisco Unified Communications Manager (Skinny Client Control Protocol [SCCP]), H.323, Session Initiation Protocol (SIP) and Media Gateway Control Protocol (MGCP) 1.0
 Cable detection
 Overload protection
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                Modem Type: Voice / fax module
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                The modules are supported on the Cisco 4400 and 4300 Series ISRs and require Cisco IOS XE Software Release 3.13.3. Voice applications require a minimum of the Unified Communications technology package, which is optional.
 XE3.13.4, XE3.14.3, XE3.15.1, XE3.16 and above
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                I/O:
 (2) FXO
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                Remote Management Protocol: CLIRemote Management Protocol: SNMP
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                Due to manufacturer restrictions, all sales on this item are final. Call the Cisco Technical Assistance Center (TAC) for defective product and technical issues at 1-800-553-6387
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                1.1 lbs
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                Compliant Standards: CNS 13438:2006Compliant Standards: CS-03Compliant Standards: EN 55022:2010Compliant Standards: EN 55024:2010Compliant Standards: EN 61000-3-2:2006Compliant Standards: EN 61000-3-3:2008Compliant Standards: KN22Compliant Standards: KN24Compliant Standards: VCCI V-3
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                43222609
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