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Easy to expand. No capacity limit at one site.
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Provide
4 voice ports.
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Every
port has an ID Number.
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Support
FXS interface for connection to the CO trunk
side of a PBX or analog phones.
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Convenient Device-to-Phone Mode offering low
calling rates for Internet calls directly
to worldwide regular phones.
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Support
NAT and allow voice traffic to go through
firewall.
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Check
call history from DSG CDR Website.
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Support
DHCP, pseudo IP address and real IP address.
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Allow
remote management using Telnet.
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Offer
echo cancellation, busy tone detection and
VAD (voice activity detection).
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Provide
standard-based CODEC offering clear voice
quality.
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On-line
query each port's Device ID balance.
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Free
on-line software upgrades.
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