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Local Area Network (LAN) Architecture

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Appendix B - SIP Device and VLAN Switch Configurations

SIP Device Configuration

One of the key attributes that the EdgeMarc router provides to enabling VoIP services is

that it performs the function of an Application Layer Gateway (ALG) to the SIP-enabled IP

devices on the customer premise. What occurs in this scenario is that the SIP device uses the

EdgeMarc as its SIP proxy server and the EdgeMarc then propagates any messaging from the

phone to the

VOIP2320 network. This 2-step SIP messaging model is displayed in the diagram

below.

This architecture means that for all physical SIP-devices on the customer LAN, the

appropriate SIP Proxy Server setting will be to assign it to the LAN IP address of the

EdgeMarc router itself. The standardized IP address assignment in all of the LAN designs in

this document is “192.168.1.1”. This setting should be used for configurations of IP phones

and ATAs.

SIP CPE CONFIGURATION:

SIP PROXY SERVER =192.168.1.1

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Edgewater Networks 4300T Manuale Utente Pagina 24