Cisco TelePresence ISDN GW 3241
Easily Integrate Your IP Network and ISDN
Enjoy the benefits of high-definition video on your ISDN with the Cisco TelePresence ISDN GW 3241. This scalable, high-capacity gateway:
- Grows with your business demands
- Provides transparent communication between all features of IP networks and ISDNs
This automatically operational gateway is easy to use and a powerful tool for your organization. Included are features such as:
- Standards-based compatibility with all major vendors' endpoints
- Fully integrated, easily configurable unit with built-in gatekeeper
- Exceptional dial plans to help ensure that calls are routed efficiently
- Video resolutions up to high-definition 720p at 30 frames per second
- Capability for up to 120 voice calls at 64 kbps and up to 60 video calls at 128 kbps
This rack-mountable ISDN gateway is a compact one unit tall. It delivers per-call bandwidth of 56 kbps to 2 Mbps with Advanced Encryption Standard (AES).
In addition, management features include comprehensive remote web management, diagnostics, reporting, and upgrades.
Cisco TelePresence ISDN GW 3241 Feature Summary
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Feature Summary |
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Design features |
• Standards-based and compatible with all major vendors' endpoints
• Pay as you grow - buy the capacity you need now and a simple license upgrade in the future
• Easily configurable unit
• Comprehensive remote Web management
• Compact size: 1U tall and 19" rack mountable
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Application features |
• Provides seamless integration between IP and ISDN devices
• Fully integrated, with built-in gatekeeper
• Powerful dial plans ensure that your calls get routed efficiently
• H.239 and BFCP for presentation sharing capabilities
• Support for automatic load balancing in multiple gateway environments
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Performance features |
• Video resolutions up to High Definition 720p at 30fps
• Supports up to 4 PRI ISDN ports in a single unit
• Up to 120 voice calls at 64 Kbps
• Up to 60 video calls at 128Kbps
• Bandwidth per call from 56Kbps to 2Mbps
• AES encryption
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Interface and Call Information
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Model |
T1/E1 ISDN PRI interfaces |
Maximum video calls 384 kbps T1/E1 |
Maximum video calls 768 kbps T1/E1 |
Maximum voice calls 64 kbps T1/E1 |
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Cisco TelePresence ISDN GW 3241 |
Up to 4 PRIs, 1 enabled |
15/20 |
7/10 |
92/120 |
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Cisco TelePresence ISDN GW 3241-PL |
1 additional PRI port license |
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Product Capabilities
Product Specifications
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Specification |
Description |
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Endpoints Supported |
• H.323 IP voice and video endpoints
• SIP voice and video endpoints
• H.320 ISDN voice and video endpoints
• PSTN audio only calls (telephones) through ISDN
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Video Standards |
• H.261, H.263, H.263+, H.264
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Video Resolution |
• QCIF, QSIF, CIF, SIF, iCIF, iSIF, 288p, 384p, 400p, 448p, VGA, 4CIF, 4SIF, 480p, SVGA, 576p, XGA, 720p
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Frame Rates |
• Up to 30 frames per second and 60 fields per second
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Audio Standards |
• G.711, G.722, G.722.1, G.728, Polycom® Siren14™/G.722.1 Annex C
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Other Standards |
• H.323, H.320, H.233, H.234, H.235 (AES), H.239 (dual video), H.221, FTP, RTP, HTTP, HTTPS, DHCP, SNMP, NTP
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ISDN Signaling |
• Q.931, NFAS, 4ESS, DMS100 support
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ISDN Bonding |
• BONDING (ISO 13871)
• H.221 aggregation
• Automatic downspeeding on loss of ISDN B channels
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Bandwidth |
• H.320/H.323/SIP calls supported up to 2 Mbps
• Total bandwidth and number of sites supported is limited only by ISDN capacity
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Presentation/Data Collaboration |
• Data from H.239 (dual video) of BFCP capable endpoints
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Call Routing from ISDN (H.320/PSTN) |
• IVR/auto attendant
• Direct Inward Dialing (DID)
• Default (Operator) extension
• Call routing to MCU/multipoint conference bridge
• Dialed number digit manipulation
• Calling party number digit manipulation
• Flexible dial plan
• TCS-4 support
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Call Routing from IP (H.323/SIP) |
• IVR/auto attendant
• Dial by E.164 address
• Dialed number digit manipulation
• Calling party number digit manipulation
• Flexible dial plan
• Dial from MCU with and without a gatekeeper
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Embedded Web Server |
• Complete configuration, control and monitoring of the system
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Built-in Gatekeeper |
• Resolution of E.164 numbers
• Registration of endpoints and gateways
• Up to 25 devices can register
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System Management |
• Management via embedded Web server
• Status through Cisco TelePresence Management Suite
• XML API
• RS-232 for local control and diagnostics
• Syslog for diagnostics
• Configurable event logs and full H.323 decoding
• Configuration backup to network
• Secure upgrades through Ethernet or CompactFlash
• Call Detail Records downloadable as XML
• SNMP
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Quality of Service |
• Configurable DSCP or TOS/IP precedence
• H.323 flow control
• Dynamic jitter buffers
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Security Features |
• Two levels of access rights and privileges for users
• Strong password policy
• Secure management via HTTPS
• Dial plan system controls which destinations are reachable
• Services may be disabled: HTTP, HTTPS, FTP, H.323, SNMP, H.323 GK
• H.235 authentication for Gatekeeper registration
• Secure non-PC hardware and operating system
• AES encryption, 128 bit key, H.233, H.234, H.235
• TLS certificate verification
• Certificate-based login with OCSP certificate checking
• SRTP encryption
• Second Ethernet port
• Audit log
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Embedded Encryption |
• Standards based on ISDN, IP and mixed ISDN/IP: H.233, H.234, H.235, AES 128 bit key
• Automatic key generation and exchange
• Transparent encryption
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Interfaces |
• RJ45 ISDN PRI ports
• 2 x RJ45 Ethernet, 10/100/1000 Mbps full/half duplex, manual or auto sensing
• RJ45 serial port
• CompactFlash socket
• Up to 27 status LEDs
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Environmental Data |
• Operating temperature 0°C to 35°C ambient
• Relative humidity below 95% (non-condensing)
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Physical Dimensions |
• Height 1.73", 44 mm (1U)
• Width 17.2", 437 mm
• Depth 12.3", 312 mm
• Weight 9 lbs, 4kg
• 19" rack mountable (kit supplied) or standalone
• Power 100-240 VAC, 50/60Hz
• 110W max power consumption
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Regulatory Compliance
• European safety: EN 60950-1:2001
• USA safety: UL 60950-1 First Edition
• Canada safety: CSA 60950-1-03
• CE Marked
• EMC:
– EN55022 class A
– EN61000-3-2, EN61000-3-3
– EN55024: EN61000-4-2,-3,-4,-5,-6,-11
– FCC Part 15 class A
– VCCI class A
– AS/NZS 3548 (C-Tick)
– CCC Approved: GB4943-2001, GB9254-1998
– YD/T993-1998
• Telecoms:
– USA TIA-968-A: October 2002, 47 CFR Part 68: October 2004
– Canada: IC CS-03, Issue 9, Part VI
– Europe: ETS 300 046-3,
– Japan: Ordinance of MPT No 31, 1984
– China: NAL Certificate
• RoHS compliant
