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PSTN Connectivity over IP DSLAMs
Expand services for enterprise customers by offering PSTN connectivity over IP DSLAMs
TDMoIP pseudowire technology is used to transport circuit-switched telephony and legacy data transparently over the PSN. RAD’s IPmux-11 TDMoIP pseudowire access gateways, working in tandem with its Gmux-2000 central site TDMoIP pseudowire gateway and its LA-110 ATM based IADs, which support pseudowire tunneling, ensure strict priority for TDM traffic over the IP network link
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Reduced costs
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Full end-to end control of the service
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High quality and functionality for the customer
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More attractive products are now offered to customers
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As the largest alternative telecom provider to business users in Norway and the second largest alternative telecom provider in Sweden, Ventelo has decided to expand its portfolio of services for enterprise customers by taking advantage of the multiplicity of IP DSLAMs in those countries.
Traditionally, alternative carriers transport PSTN traffic over expensive leased lines. Ventelo has made telecoms history by offering the same service using TDM pseudowire and IP DSLAMs.
Said Mati Epstein
Director of Sales for Scandinavia, RAD Data Communications |
“Traditionally, alternative carriers transport PSTN traffic over expensive leased lines,” explains Mati Epstein, Director of Sales for Scandinavia at RAD Data Communications. “Ventelo has made telecoms history by offering the same service using TDM pseudowire and IP DSLAMs.”
To do so, Ventelo opted for a solution comprised of RAD’s IPmux-11 TDM-over-IP (TDMoIP®) pseudowire access gateways working in tandem with its Gmux-2000 central site TDMoIP pseudowire gateway and its LA-110 Ethernet-over-DSL Integrated Access Devices (IADs).
In the Ventelo application, IPmux-11 units are used to encapsulate TDM PBX traffic in a TDM pseudowire for transport over an Ethernet link. This emulated TDM traffic is then passed over SHDSL links by LA-110 IADs for transport to the IP DSLAM, which concentrates several similar connections, and forwards them across the packet switched network (PSN). At the other end of the PSN, a Gmux-2000 TDMoIP pseudowire aggregator is used to reconstruct emulated TDM traffic back into TDM signals for transmission over the PSTN.
“We can convert from leased lines to Ventelo's own high-quality IP network in order to reduce cost, and obtain full end-to end control of the service, while the customer experiences the same high quality and functionality,” says Helene Ålander, Director of Network Services at Ventelo. “Ventelo can, through the solution, offer more attractive products to our customers in a very competitive market,” she adds.
Ventelo can, through the solution offer more attractive products to our customers in a very competitive market
Said Helene Ålander
Director of Network Services, Ventelo |
TDMoIP pseudowire technology, developed and pioneered by RAD, is an evolutionary approach for transporting circuit-switched telephony and legacy data transparently over PSNs while ensuring strict priority for the TDMoIP traffic over the network link. In so doing, all the features and functionality of today’s class 4 and 5 switches and SS7, PRI and other signaling protocols are maintained. This enables carriers and enterprises to reduce network expenses without compromising functionality or scope of services.
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