8x8 1999 Annual Report Download - page 10

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on the Audacity ITP benefit from the same RISC and DSP technology found in the Company's VCPex products. The Audacity ITP translates
audio signals from analog telephones into the compressed data format needed for real time audio transmission over networks that use packet
protocols, including corporate LANs, WANs and the Internet. Two versions of the Audacity ITP are available: the 8x84006ARCA provides
full-duplex acoustic echo cancellation, DTMF detection and generation, and SGCP or H.323 communication stacks for up to two channels of
G.728, four channels of G.723 and up to eight channels of G.711 or G.722. The 8x84106ARCA provides identical audio performance but adds
a graphics display channel for driving TV or LCD screens for a user interface, or for network data or graphics. Implemented in 8x8's
proprietary "dual programmable" architecture, the Audacity ITP has the flexibility of a general-purpose RISC processor while supplying the
processing power of a single-instruction, multiple-datapath DSP. The RISC processor runs the user interface and the SGCP or H.323
communication stacks under the control of the 8xOS operating system, which performs memory management and process scheduling
functions. The DSP executes the audio codec, DTMF detection/ generation and echo cancellation routines.
- Symphony -- The Symphony VoIP Module, announced in April 1999, is a four-line, VoIP gateway designed to be used in a variety of
applications including telephony over cable and DSL networks as well as the emerging IP-PBX segment. About the size of a video cassette
tape, the Symphony VoIP module uses Audacity ITP to deliver four independent voice telephone lines over broadband IP networks. Multiple
Symphony modules may be used together for applications requiring more than four telephone lines.
The Symphony VoIP Module connects to cable, DSL modems or LANs via a standard Ethernet connection and it connects up to four
telephones with standard RJ-11 connectors. The Symphony module supports numerous industry standard audio codecs including the G.711,
G.722, G.723 and G.728 audio codecs. Any codec can be used on any line, and the codecs can be changed dynamically during a call. The
Symphony module also provides full-duplex acoustic echo cancellation on each line. With its multi-codec capability, the module can respond
to varying network congestion by switching among audio codecs both at the initiation of a call and also during a call. This ability to select
lower bandwidth codecs allows system operators to make the most efficient use of their networks while maintaining call quality. The
Symphony module supports the following call control protocols:
H.323, MGCP and the Cable Labs PacketCable Network Client Specification.
To date, the Company has not generated significant revenue from its Broadband Telephony products.
Video Monitoring Products
The Company has created a new business unit to specifically target video monitoring applications. Currently, the Company offers the RSM-
1500 Remote Surveillance Module to distributors and dealers in the security and surveillance industry.
- RSM-1500 -- The RSM-1500 Remote Surveillance module allows anyone within reach of a touch-tone telephone to monitor any similarly
equipped location worldwide. The RSM-1500 module uses standard telephone lines to transmit both full-color motion video and audio in real-
time, making remote surveillance of businesses and property both practical and cost-effective. The RSM-
1500 module is designed with features
tailored specifically for security and monitoring applications. These include:
automatic camera selection, automatic connection mode with passcode security, Caller ID verification, electronic pan/tilt/zoom camera control,
and a high-resolution snapshot mode, making the RSM-1500 module usable in small business, office, manufacturing facility, public safety, and
a
6
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PRODUCT DESCRIPTION APPLICATIONS
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RSM-1500 Remote Two-way video and audio - Remote surveillance
Surveillance Module transmission system. - Store monitoring
- Day-care, health care video
transmission
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