VoDSL


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VoDSL

(Voice Over DSL) Sending voice over a DSL line. Using compression, up to 150 voice channels can be transmitted over a 1.5 Mbps DSL line. DSL signals at the customer side are delivered into an integrated access device (IAD), which forwards them over twisted pair to the carrier. The signals go to the carrier's DSLAM and then to an access switch that forwards voice to a voice gateway and then the PSTN and data to the appropriate data network.
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Furthermore, based on the experimental VoDSL network architecture and the following DSL service levels 640K/ 640K, 1.5M / 384K, 3.0M/ 512K, and 1.5M/ 256K for each ANSI/CSA loops by using voice quality transmission testing with voice compression while continuously downloading files, it was found that on certain loops, all eight derived lines were not supported on IADs for VoDSL solution (Musa et al., 2007).
Moreover, as VoDSL and VoIP gain ground, the intensity of competition in voice telephony can be expected to increase in the near future, despite the 'failure' of full unbundling to break open the market for fixed voice telephony.
VoDSL adds to the benefits of DSL and reduces the equipment required.
Ultimately, we expect to enable VoDSL for residential integrated access devices and SOHOs."
This paper will show outcomes that can be used in evaluating VoDSL solutions that offers multiple voice connections simultaneously with data onto the high speed digital line offered by an ADSL line.
DELIVER VOICE OVER DSL (VoDSL) to small businesses, branch and home offices with the 7461-NG-IAD.
Despite optimistic predictions and the ability to offer up to 24 separate voice channels and high-speed Internet access over a single DSL line, Voice over DSL (VoDSL) deployment remains miniscule, according to Cahners In-Stat Group, Scottsdale, Ariz.
Other solution components include the Remote Access Module (RAM), Network Management System (NMS), Element Management System (EMS), Subscriber Management (SMS 1800), Customer Care and Billing (CCB), wireline and wireless CPE, VoDSL and broadband wireless routers.
The semiconductor manufacturer Texas Instruments Inc (TI) and the telecomms equipment manufacturer General Bandwidth Inc have agreed to work together to enable VoDSL service providers to deliver packet-based telephony services to consumers.
Celsian Technologies is a manufacturer of data communication products, specializing in the field of broadband DSL and VoDSL products.
VoDSL presents the opportunity to offer new and enhanced services, such as videoconferencing, over a single line.
Setting up a voice over DSL (VoDSL) or voice over ATM (VoATM) call requires two distinct signaling functions, MGCP protocol emulation and AAL-2 (type 3) voice signaling.