Hi all,
Need to confirm if this is right answer to question
basic components of a VoIP network
answer is
multipoint control unit (MCU)
gatekeeper
call agent
i check on web site it says
There are three main components of a VoIP network: user agents, gateways, and proxy servers.
User Agent
In a VoIP network, any device that can make or receive telephone calls is called a User Agent (UA). Each User Agent contains a User Agent Server (UAS) responsible for handling requests from another endpoint, (for example, inbound calls) and a User Agent Client (UAC) which generates requests, (for example, outbound calls) for other endpoints. Examples of User Agent Clients and User Agent Servers are:
· A SIP hard phone.
· A SIP soft phone.
· WebSphere Voice Response (which simulates a number of phones) for incoming or outgoing calls.
Gateways
A gateway is a device which acts as a bridge between VoIP and the PSTN network. A gateway can take an incoming call from a T1 interface and convert the signaling into SIP message exchanges, and convert the voice from TDM into RTP packets.
Proxy servers
In a SIP system, a proxy server (used with a registrar and a location server), can provide the following services:
· Call Routing including URI translation.
· Registration.
· Access (authentication) to a SIP network.
A Proxy server is the means by which calls are routed within a SIP VoIP network. For example, a telephony gateway might be configured to send all incoming calls to the SIP proxy server which will then route the calls to specific endpoints (this can include load balancing or skills-based routing).
i need to confirm if multipoint control unit (MCU) is basic componenet of voice?
thanks
mahesh
