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IPS 1000 Series VoIP Gateway
4
1. Safety Instructions
1. Do not attempt to service the product yourself. Any servicing of this product should be referred to
qualified service personal.
2. To avoid electric shock, do not put your finger, pin, wire, or any other metal objects into vents and
gaps.
3. To avoid accidental fire or electric shock, do not twist power cord or place it under heavy objects.
4. The product should be connected to a power supply of the type described in the operating
instructions or as marked on the product.
5. To avoid hazard to children, dispose of the product’s plastic packaging carefully.
6. The phone line should always be connected to the LINE connector. It should not be connected to the
PHONE connector as it may cause damage to the product.
7. Please read all the instructions before using this product.
2. Preface
The IPS 1000 unit is a personal SIP VoIP gateway developed using the latest in VoIP technology. It is
also very simple to install and easy to operate.
2.1. What is SIP
Session Initiation Protocol (SIP) is the Internet Engineering Task Force's (IETF's) standard for
multimedia conferencing over IP. SIP is an ASCII-based, application-layer control protocol (defined in
RFC 2543& RFC 3621) that can be used to establish, maintain, and terminate calls between two or more
end points. Like other VoIP protocols, SIP is designed to address the functions of signaling and session
management within a packet telephony network. Signaling allows call information to be carried across
network boundaries. Session management provides the ability to control the attributes of an end-to-end
call.
SIP provides the following capabilities:
Determine the location of the target end point—Supports address resolution, name mapping, and call
redirection.
Determine the media capabilities of the target end point—By using Session Description Protocol (SDP),
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