AudioCodes Mediant 500 MSBR, User Manual

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User's Manual 1034 Document #: LTRT-10375
Mediant 500 MSBR
Note: The parameter functions together with the UseProxyIPasHost
parameter.
Use Proxy IP as Host
configure voip > sip-
definition settings > use-
proxy-ip-as-host
[UseProxyIPasHost]
Enables the use of the proxy server's IP address (in dotted-decimal
notation) as the host name in SIP From and To headers in REGISTER
requests.

[0] Disable (default)

[1] Enable
If the parameter is disabled and the device registers to an IP Group
(i.e., proxy server), it uses the string configured by the ProxyName
parameter as the host name in the REGISTER's Request-URI and uses
the string configured by the IP Groups table parameter, SIPGroupName
as the host name in the To and From headers. If the IP Group is
configured with a Proxy Set that has multiple IP addresses, all the
REGISTER messages sent to these proxies are sent with the same
host name.
Note: If the parameter is disabled and the ProxyName parameter is not
configured, the proxy's IP address is used as the host name in the
REGISTER Request-URI.
Redundancy Mode
configure voip > sip-
definition settings >
redundancy-mode
[ProxyRedundancyMode]
Determines whether the device switches back to the primary Proxy after
using a redundant Proxy.

[0] Parking = (Default) The device continues working with a
redundant (now active) Proxy until the next failure, after which it
works with the next redundant Proxy.

[1] Homing = The device always tries to work with the primary Proxy
server (i.e., switches back to the primary Proxy whenever it's
available).
Note: To use this Proxy Redundancy mechanism, you need to enable
the keep-alive with Proxy option, by setting the parameter
EnableProxyKeepAlive to 1 or 2.
Proxy IP List Refresh
Time
configure voip > sip-
definition settings > proxy-
ip-lst-rfrsh-time
[ProxyIPListRefreshTime]
Defines the periodic rate (in seconds) at which the device performs
DNS queries to resolve FQDNs (host names) into IP addresses. For
example, if a Proxy Set is configured with an FQDN and the parameter
is configured to 60, the device queries the DNS server every 60
seconds, which refreshes the Proxy Set’s list of DNS-resolved IP
addresses.
The valid value is 0, or 5 to 2,000,000. The default is 60. The value 0
disables periodic DNS queries and DNS resolution is done only once -
upon device reset, device power up, or new and modified configuration.
Enable Fallback to
Routing Table
configure voip > sip-
definition settings >
fallback-to-routing
[IsFallbackUsed]
Determines whether the device falls back to the Tel-to-IP Routing table
for call routing when Proxy servers are unavailable.

[0] Disable = (Default) Fallback is not used.

[1] Enable = The Tel-to-IP Routing table is used when Proxy servers
are unavailable.
When the device falls back to the Tel-to-IP Routing table, it continues
scanning for a Proxy. When the device locates an active Proxy, it
switches from internal routing back to Proxy routing.
Note: To enable the redundant Proxies mechanism, set the parameter
EnableProxyKeepAlive to 1 or 2.
Prefer Routing Table
configure voip > sip-
definition proxy-and-
registration > prefer-
Determines whether the device's routing table takes precedence over a
Proxy for routing calls.

[0] No = (Default) Only a Proxy server is used to route calls.

[1] Yes = The device checks the routing rules in the Tel-to-IP