Trunk Gateway TG5250
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The TG5250 is a cost effective solution for VoIP
trunk gateway connectivity supporting one, two or four-port T1/E1 VoIP trunks
that provides voice and fax over IP network. It supports ITU-T H.323 V3, SIP
RFC 2543/3261, SNMP V2, Call Detail Record, Web management and other functions
to meet operational requirements.
The TG5250 can be used to extend
the life of legacy PABXs using E1 connectivity to offer migration to VoIP.
The built-in enhanced IVR (Interactive
Voice Response) and Billing Service of the TG5250 is suitable for prepaid and
postpaid service. It can rapidly provide value added service for ISPs.
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Features and Benefits
- Dual SIP/H.323 co-existing
- ITU-T H.323 v3 and H.450 compliance
- SIP RFC 2543/3261 standard compliance
- PSTN signalling: ISDN/PRI, CAS (MFC R2, MFC R1, E&M)
- Mixed SIP, Gatekeeper and P2P calls
- Support H.323 Gatekeeper register, direct and route calls
- Support SIP outbound proxy, redirect and register server
- Built-in phone book and prefix routing for SIP and H.323 P2P calls
- Support H.323 fast connect, early H.245 and H.245 tunnelling
- Support H.323 and SIP early media
- Support RADIUS authorization and billing message
- Intelligent PSTN call routing and in-trunk hunting
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- Flexible digit manipulation plan
- Support access control by ANI, DNIS, IP, Gatekeeper only, proxy only or
RADIUS
- Behind NAT friendly for SIP calls
- Inband and out of band DTMF transmission
- SIP/H.323 T.38 fax relay up to 14,400bps
- Dynamic call treatment based on DNIS, ANI or collected DTMF
- Built-in IVR and call-flow controller
- CISCO compatible
- Web-based graphic announcement edit and management
- Multiple configuration saving
- Provides CDR (Call Detail Recording)
- Built-in internal user authentication for prepaid and postpaid users
- SIP and H.323 signal conversion
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5250 Trunk Gateway - Specifications
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Protocol
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- ITU-T H.323 v2/v3/v4 compliance
- SIP RFC 2543/3261 compliance
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- SIP and H.323 signal conversion
- Dual SIP/H.323 co-existing
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| Supplementary service | Codec |
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- H.450 (Call Hold, Call Transfer, Call forward)
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- G.711A/µ-law, G.723.1(5.3k/6.3k), G.729A
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FAX support
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- Automatic voice/fax detection
- T.38 fax relay based on H.323 Annex D
- SIP T.38 fax relay
- Up to G3 FAX
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- ECM Support
- Redundant T.38 packet (0-2)
- CISCO compatible
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| Network Interface | Trunk Spans
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- 10/100Base-T Ethernet ports x 2 (host &
VoIP stream)
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Voice Quality
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- VAD (Voice Activity Detection)
- CNG (Comfort Noise Generation)
- Support G.168 echo cancellation
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- Configurable audio payload size & adaptive Jitter
Buffer
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- 1 D-SUB 9 pin RS-232 port
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- Support Fixed IP and DHCP
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DTMF Transmission
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- Transparent
- H.245 signal/alphanumeric
- H.323 Q.931
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Built-in IVR & call-flow controller
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- Web-based GUI Drag and Drop interface
- Full control of call behaviour (one-stage or two-stage
dialling)
- IVR functions
- Support time duration play back (Chinese & English)
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- Powerful call information branch
- Collected information validation
- Active disconnect & reconnect without hang up
- Selected disconnect cause code & behaviour
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LED & LCD indicators for system status
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- Front panel LCD (2 lines X 16) status display
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Configuration & management
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- Console port, TELNET and Web Browser
- Front panel LCD
- OS and program can be upgraded
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- SNMP v2 (H.341) and SNTP v4 support
- User account management
- Support DNS and Dynamic DNS
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| Certification | Relative Humidity |
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Chassis
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- Dimension: 483mm(W) x 44mm(H) x 450mm(D)
- 1U Rack mounted
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Ordering Information
5250-1
1 x E1/T1 Trunk
5250-4
4 x E1/T1 Trunk
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