Product category:
Embedded Software and Operating Systems
News Release from: Surf Communication Solutions | Subject: V.92, V.44, V.MoIP and V.90AoD
Edited by the Electronicstalk Editorial
Team on 22 May 2001
Surf spearheads standardisation efforts
The latest modem technology from Surf Communication Solutions offers V.92 modem, V.44 data compression, modem relay over IP network (V.MoIP) and V.90 analogue over digital (V.90AoD).
Surf Communication Solutions has announced the availability of its latest modem technology, offering V.92 modem, V.44 data compression, modem relay over IP network (V.MoIP) and V.90 analogue over digital (V.90AoD) for next-generation telephony applications Surf now offers its OEM customers the latest PCM modem family, the V.92, featuring modem on hold (MoH), quick connect characteristics and higher PCM upload speeds (up to 48Kbit/s)
This article was originally published on Electronicstalk on 5 Jul 2001 at 8.00am (UK)
Related stories
DSP subsystem speeds access solution development
Surf Communication Solutions has announced the upcoming availability of its SurfRider-144T family of access solutions aimed at OEM equipment requiring modem, VoIP and FoIP services.
Module puts DSPs to work on packet switching
The latest addition to the SurfRider family of access solutions from Surf Communication Solutions is the SR-240M (SurfRider-240M), a PMC module aimed at packet telephony equipment.
Along with the V.92 modem, Surf provides the latest ITU standard for data compression, V.44, outperforming the current V.42bis compression ratio by over 50%.
By implementing the V.92 and V.44, network operators (ISPs) will be able to upgrade their infrastructure equipment to provide their customers with better Internet services, such as Internet call waiting and faster connect time.
V.92, the most recent recommendation from the ITU for modems at data rates up to 56Kbit/s, is effectively an enhancement to the well-established V.90, it offers more than 40% improvement in maximum datarate towards the network (up to 48kbit/s); faster start-up times on recognised connections: and the ability to put the modem "on-hold" when the network indicates that an incoming call is waiting.
Further reading
Ericsson expands use of DSP software
Ericsson is to continue to use Surf DSP modem software in the next enhanced product release of its Cello wireless media-gateway.
Packet telephony software runs on StarCore DSP
Surf Communication Solutions has released its field-proven packet-telephony system solution for Motorola's StarCore-based MSC8102 quad-core DSP.
Card puts DSP to work on voice, video and data
The SurfAce-112 is a fully integrated three-quarter-size PCI card providing simultaneous "triple play" processing capabilities for developers of voice, video and data applications.
V.44, the new data compression technology standard from the ITU, gives an improvement of more than 25% over the existing standard V.42bis.
For typical Web browsing connections, this results in a data throughput in excess of 300Kbit/s, compared to today's typical values of 150-200Kbit/s.
This significantly reduces download times and speeds up Web browsing.
While this performance is still below that achievable with the latest DSL (digital subscriber loop) technologies it has the advantage of not requiring any special installation work on the part of the network provider, leaving upgrades in the direct control of the ISPs and users.
Meeting the challenges of backbone PSTN migration to IP Telephony, Surf is leading the ITU standardisation effort for Modem Relay over IP (V.MoIP).
This technology enables relaying data modem over PSTN access networks having IP backbones, at the full V.92 rates.
Until now, modem calls traversing IP networks have been seriously limited in data rates and have suffered from extremely poor connection reliability.
The V.MoIP protocol can dramatically reduce the bandwidth required for carrying modem calls over IP networks, even below the bitrate required for voice calls.
The third breakthrough, led by Surf is its V.90 AoD patented technology, enabling high-density pools of V.90 analogue modems to be connected to digital trunk lines.
This protocol streamlines the dial-up procedure by shortening connection time while improving connection quality and reliability.
"The rapid developments in telecommunication infrastructure require, ongoing efforts to upgrade existing modem technologies and to adapt them to both the existing PSTN and the emerging packet-based networks", said Avi Fisher, Surf's Chief Technical Officer.
"By offering V.92, V.44, V.90 AoD and V.MoIP, Surf proves its commitment to its OEM customers by providing the latest modem technology, enabling them to adapt their systems easily", he added.
"Moreover, by actively contributing to the Modem Relay over IP standardisation Surf is spearheading the drive for true convergence between IP and PSTN networks", he concluded.
Surf's modem technology is only one part of Surf's complete convergent access software solutions.
The Surf Multi-access Pool (SMP) runs on high-performance DSP chips and is used by many leading telecommunications equipment manufacturers to provide a high space- and cost-efficient means of providing modem, fax and voice services.
Surf's existing SMP customers can have their SMP-enabled equipment support the new modem standards through a simple software upgrade that does not require any hardware modifications.
• Surf Communication Solutions: contact details and other news
• Email this article to a colleague
• Register for the free Electronicstalk email newsletter
• Electronicstalk Home Page
Search the Pro-Talk network of sites
