SIP User's Manual 108 Document #: LTRT-65415
MediaPack Series
Parameter Description
ProxyDNSQueryType is set to 1 or 2.
Transport Type
[ProxyIp_TransportType]
The transport type per Proxy server.
[0] UDP
[1] TCP
[2] TLS
[-1] = Undefined
Note: If no transport type is selected, the value of the global
parameter SIPTransportType is used (see ''Configuring SIP
General Parameters'' on page 110).
Web/EMS: Enable Proxy Keep
Alive
[ProxySet_EnableProxyKeep
Alive]
Determines whether Keep-Alive with the Proxy is enabled or
disabled. This parameter is configured per Proxy Set.
[0] Disable = Disable (default).
[1] Using Options = Enables Keep-Alive with Proxy using SIP
OPTIONS messages.
[2] Using Register = Enables Keep-Alive with Proxy using SIP
REGISTER messages.
If set to 'Using Options', the SIP OPTIONS message is sent every
user-defined interval (configured by the parameter
ProxyKeepAliveTime). If set to 'Using Register', the SIP
REGISTER message is sent every user-defined interval
(configured by the RegistrationTime parameter). Any response
from the Proxy, either success (200 OK) or failure (4xx response) is
considered as if the Proxy is communicating correctly.
Notes:
This parameter must be set to 'Using Options' when Proxy
redundancy is used.
When this parameter is set to 'Using Register', the homing
redundancy mode is disabled.
When the active proxy doesn't respond to INVITE messages
sent by the device, the proxy is tagged as 'offline'. The behavior
is similar to a Keep-Alive (OPTIONS or REGISTER) failure.
If this parameter is enabled and the proxy uses the TCP/TLS
transport type, you can enable CRLF Keep-Alive mechanism,
using the UsePingPongKeepAlive parameter.
Web: Proxy Keep Alive Time
EMS: Keep Alive Time
[ProxySet_ProxyKeepAliveTi
me]
Defines the Proxy keep-alive time interval (in seconds) between
Keep-Alive messages. This parameter is configured per Proxy Set.
The valid range is 5 to 2,000,000. The default value is 60.
Note: This parameter is applicable only if the parameter
EnableProxyKeepAlive is set to 1 (OPTIONS). When the parameter
EnableProxyKeepAlive is set to 2 (REGISTER), the time interval
between Keep-Alive messages is determined by the parameter
RegistrationTime.
Web: Proxy Load Balancing
Method
EMS: Load Balancing Method
[ProxySet_ProxyLoadBalanci
ngMethod]
Enables the Proxy Load Balancing mechanism per Proxy Set ID.
[0] Disable = Load Balancing is disabled (default)
[1] Round Robin
[2] Random Weights
When the Round Robin algorithm is used, a list of all possible
Proxy IP addresses is compiled. This list includes all IP addresses
per Proxy Set, after necessary DNS resolutions (including NAPTR
and SRV, if configured). After this list is compiled, the Proxy Keep-
Alive mechanism (according to parameters EnableProxyKeepAlive
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