Gateways

The Clarent® BHG (Backbone High-density Gateway), the media gateway component of the IPVision’s Edge Access Solution, gives customers the immediate advantage of a carrier grade media gateway. This means customers quickly gain the reliability, scalability, and high-density features critical to the future success of telecommunication service providers.
Built to support the stringent Telco reliability requirements, the Clarent® BHG offers redundancy via N+1 power supplies. This configuration assures constant availability, and constant availability translates into superior reliability, a feature further illustrated in the United States through the Clarent® BHG’s NEBS Level 3 compliance. The Clarent® BHG can also offer a non-VoIP, simple Internet offload feature that provides routing to either RAS or PSTN destinations accordingly.
Harnessed within the NEBS compliant BHG is superior density and scalability. The BHG 2500 is scalable from 120 to 1920 ports per chassis customers selecting, IPVision subsequently eliminate the need for future forklift upgrades.

Media gateway E1 or T1 spans connect to the PSTN and accept E1/T1 calls (T1 CAS, E1 CAS, MFCR2, ISDN or SS7). Voice is digitized and possibly compressed into packets using one of several codecs (including G.711, G.723, G.726 and G.729). Digitized packets travel from the media gateway to the IP network over a gigabit or 10/100 Ethernet connection. This provides seamless protocol integration with networks across the globe and affords IPVision customers’ peace of  mind: a total solution that caters to the needs of today and provides the ability to scale for the demands of tomorrow.

Types of Expansion Blades

TP1610

• Transports voice, modem and fax traffic over IP networks
• Uses packet communications and voice compression to use bandwidth effectively
• Performs DTMF detection, generation and relay
• Supplies echo cancellation and silence suppression to enhance call quality
• Acts as the switching matrix for IP telephony calls
• Interoperates with Clarent legacy gateways, BHG 1000s, BHG 8000s and select third-party media gateways
• Can be independently configured in either an SS7, ISDN, CAS or MFCR2 environment
• Offers CAS/R2 signaling
• Offers the following ISDN options:
· DMS 100 NFAS
· Euro ISDN
· Lucent 4ESS NFAS
· Lucent 5ESS NFAS
· NI2 with NFAS

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SG5600

• Supports transparent SS7 E1/T1 trunks
• Transports SS7 traffic over IP networks