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Cisco Fixed Port High Density Analog Voice SERVICEMODULE for ISR4K

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Item#: 36789242 // MFG Part#: SM-X-8FXS/12FXO= // By: Cisco
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$5,615.46 
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The Cisco High-Density Analog Voice and Fax Service Modules provide enterprises, managed services providers, and service providers the ability to directly connect public-switched telephone networks (PSTNs) and existing telephony equipment to Cisco 4000 Series Integrated Services Routers (ISRs). These fixed-port (FXS and FXO) modules provide Dual-Tone Multifrequency (DTMF) detection, voice compression and decompression, call progress tone generation, Voice Activity Detection (VAD), echo cancellation, and adaptive jitter buffering.
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