
SIP User's Manual 118 Document #: LTRT-65411
MediaPack Series
Parameter Description
an SRV query is sent according to the information received in the
NAPTR response. If the NAPTR query fails, an SRV query is
performed according to the configured transport type.
If the Proxy IP address parameter contains a domain name with port
definition (e.g., ProxyIP = domain.com:5080), the device performs a
regular DNS A-record query.
If a specific Transport Type is defined, a NAPTR query is not
performed.
Note: When enabled, NAPTR/SRV queries are used to discover Proxy
servers even if the parameter DNSQueryType is disabled.
Subscription Mode
[SubscriptionMode]
Determines the method the device uses to subscribe to an MWI
server.
[0] Per Endpoint = Each endpoint subscribes separately - typically
used for FXS interfaces (default).
[1] Per Gateway = Single subscription for the entire device -
typically used for FXO interfaces.
Number of RTX Before Hot-
Swap
[HotSwapRtx]
Number of retransmitted INVITE/REGISTER messages before the call
is routed (hot swap) to another Proxy/Registrar.
The valid range is 1 to 30. The default value is 3.
Note: This parameter is also used for alternative routing using the 'Tel
to IP Routing' table . If a domain name in the table is resolved into two
IP addresses, and if there is no response for HotSwapRtx
retransmissions to the INVITE message that is sent to the first IP
address, the device immediately initiates a call to the second IP
address.
Use Gateway Name for
OPTIONS
[UseGatewayNameForOpti
ons]
Determines whether the device uses its IP address or gateway name
in keep-alive SIP OPTIONS messages.
[0] No = Use the device's IP address in keep-alive OPTIONS
messages (default).
[1] Yes = Use 'Gateway Name' (SIPGatewayName) in keep-alive
OPTIONS messages.
The OPTIONS Request-URI host part contains either the device's IP
address or a string defined by the parameter SIPGatewayName. The
device uses the OPTIONS request as a keep-alive message to its
primary and redundant Proxies (i.e., the parameter
EnableProxyKeepAlive is set to 1).
User Name
[UserName]
User name used for Registration and Basic/Digest authentication with
a Proxy / Registrar server.
The parameter doesn't have a default value (empty string).
Notes:
Applicable only if single device registration is used (i.e.,
Authentication Mode is set to Authentication Per gateway).
The Authentication table can be used instead (refer to
Authentication on page 174).
Password
[Password]
The password used for Basic/Digest authentication with a Proxy /
Registrar server. A single password is used for all device ports.
The default is 'Default_Passwd'.
Note: The Authentication table can be used instead (refer to
Authentication on page 174).
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