Media5 Mediatrix 4104, Reference Manual

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Chapter 9 - SIP Servers Outbound Proxy Server
166 Mediatrix 4104
Static Configuration
Use the static configuration if you are not using a DHCP server or if you want to bypass it.

To use static information:
1. In the ipAddressConfig folder, locate the sipServerSelectConfigSource variable (under the
ipAddressConfigSipServer group).
This variable defines whether or not the Mediatrix 4104 must get its proxy server configuration
through a DHCP server.
2. Set the sipServerSelectConfigSource variable to static .
3. Set the following variables:
Outbound Proxy Server
An outbound proxy is an intermediary entity that acts as both a server and a client for the purpose of making
requests on behalf of other clients. The outbound proxy receives all outbound traffic and forwards it. Incoming
traffic may or may not go through the outbound proxy. The outbound proxy’s address is never used in the SIP
packets, it is only used as a physical network destination for the packets.
When the outbound proxy is enabled, the proxy is still used to create the To and the From headers, but the
packets are physically sent to the outbound proxy.
The outbound proxy is enabled if the IP address is valid (i.e., not 0.0.0.0). The default static value in the MIB
is 0.0.0.0.
Table 102: Proxy Server Static Information
Variable Description
sipHomeDomainProxyStatic
Host Proxy server static IP address or domain name.
Default Value : 192.168.0.10
sipHomeDomainProxyStatic
Port Proxy server static IP port number.
Note : If this variable corresponds to a domain name that is
bound to a SRV record, the port must be set to 0 for the unit
to perform DNS requests of type SRV (as per RFC 3263).
Otherwise, the unit will not use DNS SRV requests, but will
rather use only requests of type A because it does not need
to be specified which port to use.
Default Value : 0
SIP Outbound Proxy (From RFC 3261)
A proxy that receives requests from a client, even though it may not be the server resolved by the
Request-URI. Typically, a user agent is manually configured with an outbound proxy, or can learn about
one through auto-configuration protocols.
When enabled, the initial route for all SIP requests containa the outbound proxy address, suffixed with
the loose routing parameter “lr”. The Request-URI still contains the home domain proxy address.
Requests are directed to the first route (the outbound proxy).