Datasheet

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Call routing
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Supports multiple modes for routing calls coming into the gateway from ISDN:
Autoattendant; IVR queries caller for a destination extension using dual tone multifrequency (DTMF) tones
DID and MSN for direct routing to an IP-based destination
TCS4 for a destination extension embedded in a dial string
Default extension for operator assistance
Flexible, configurable IP dial plan
Diagnostics
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Performs power-on self-test for CPU, interfaces, and memory when the unit is turned on
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Provides front-panel error indicators
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OffersTelnet and serial monitoring capabilities
Installation, configuration, and
management
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Provides Web-based user interface for all configuration and administration functions
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Offers administrative access controlled by passwords for system security
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Provides diagnostics and real-time monitoring through direct serial connection or Telnet
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Performs software upgrades over the network
Security Provides password protection for administrative functions
Table 2. Cisco Unified Videoconferencing 3522 and 3527 Specifications
Specification Cisco Unified Videoconferencing 3522 Gateway Cisco Unified Videoconferencing 3527 Gateway
LAN interface One 10/100 Ethernet port, IEEE 802.3, and 8-pin RJ-45 One 10/100 Ethernet port, IEEE 802.3, and 8-pin RJ-45
WAN interfaces Four ISDN-BRI ports; RJ-45 connector
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One configurable PRI network termination or
terminal equipment (NT/TE) interface with a standard
RJ-45 connector
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T1 mode—23B+D: clock rate of 1.544 Mbps, Extended
Super Frame (ESF) or D4 framing, binary 8-zero
substitution (B8ZS) or alternate mark inversion (AMI)
encoding, and line impedance of 100 ohms
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E1 mode—30B+D: clock rate of 2.048 Mbps, G.704 with
CRC4 framing, high-density bipolar 3 (HDB3) or AMI
encoding, and line impedance of 120 ohms
Serial port EIA-232, 9-pin D-type EIA-232, 9-pin D-type
Protocols H.323, H.320, and T.120 H.323, H.320, and T.120
ISDN protocols
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AT&T 5ESS Custom/Multipoint
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AT&T 5ESS PTP
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Nortel DMS 100
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National ISDN
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European Telecommunications Standards Institute (ETSI)
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ETSI PTP
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VN6 Dialing
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Austel 1 Dialing
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KDD
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NTT
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Hong Kong Dialing
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AT&T 5ESS and 4ESS
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Nortel DMS 100
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National ISDN
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Euro-ISDN
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Hong Kong and Taiwan PRI System
Video coding
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H.261, H.263, and H.264
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Quarter Common Intermediate Format (QCIF), Common
Intermediate Format (CIF), 4CIF, and 16CIF
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H.261, H.263, and H.264
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QCIF, CIF, 4CIF, and 16CIF
Audio coding
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G.711, G.722, G.723, and G.728
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Transcoding between G.711 and G.723
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Transcoding between G.711 and G.728
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G.711, G.722, G.722.1, G.723, and G.728
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Transcoding between G.711 and G.723
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Transcoding between G.711 and G.728
Data collaboration T.120, T281 FECC, Tandberg DuoVideo, and H.239 data
protocols supported
T.120, T281 FECC, Tandberg DuoVideo, and H.239 data
protocols supported
Gatekeeper support Cisco IOS Gatekeeper or equivalent required Cisco IOS Gatekeeper or equivalent required
Panel LEDs
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Power, test, and link
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Four WAN activity LEDs
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LAN: Link present; link speed of 100 Mbps
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GK: Registered with gatekeeper
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Alarm
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PSTN: Carrier detect and activity