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Category
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Details
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Processor
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Powerful processor (model-dependent, optimized for small/medium load)
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Analog Ports
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2–5 (configurable FXO/FXS – models
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Network Interfaces
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2 × 10/100Mbps RJ45 Ethernet ports
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Concurrent Calls
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Up to 150 (G.711 codec)
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Max Extensions
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Up to 300 registrations (default SIP extensions ~30, license upgrade available)
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Cooling
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Fanless aluminum enclosure — silent & reliable
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Enclosure
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Compact aluminum, robust and professional design
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Software
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OpenVox IPPBX / Asterisk / FreePBX compatible (open source)
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Codecs
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G.711(a/μ), G.722, G.729, OPUS, G.726, GSM, iLBC, AMR-NB/WB, SILK + Video
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Protocols
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SIP, IAX2, analog PSTN/FXS trunks
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Power
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Standard power supply (no built-in UPS in base UC300 models*)
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