SIP Domain Resolver (domainResolver)

Configuration for the SIP domain resolver

Attribute name Data type Default value Description
addTtl boolean false Add an IBMTTL parameter to the SIP URI.
dnsAllowedFailures int 5 The number of allowed DNS lookup failures for the DNS failover mechanism.
dnsAutoResolve boolean false Resolve domain names automatically.
dnsEdns
  • N
  • Y
Y Defines the transport protocol for DNS lookup to resolve RFC 3263 SIP URIs. If set to Y, UDP is used. If set to N, TCP is used.
N
N
Y
Y
dnsRequestCacheTimeoutMin A period of time with minute precision 10m The minimum time in minutes after which cached DNS queries time out. Specify a positive integer followed by a unit of time, which can be hours (h) or minutes (m). For example, specify 30 minutes as 30m. You can include multiple values in a single entry. For example, 1h30m is equivalent to 90 minutes.
dnsSingleQueryTimeoutSec A period of time with second precision 5s The number of seconds after which a single query times out for the DNS failover mechanism. Specify a positive integer followed by a unit of time, which can be hours (h), minutes (m), or seconds (s). For example, specify 30 seconds as 30s. You can include multiple values in a single entry. For example, 1m30s is equivalent to 90 seconds.
dnsUdpPayloadSize short

Minimum: 512

Maximum: 32767

1280 The UDP payload size in bytes for the DNS resolver service.
dnsWindowSizeInterval int 10 The resolver service window size interval for the DNS failover mechanism.
dnsWindowSizeMin int 600 The minimum window size for the DNS failover mechanism.
dnsServers
Description: Allows a SIP URI to be resolved through DNS into the IP address, port, and transport protocol. The value is a String that contains exactly one or two address and port tuples, where two tuples are separated by a space.
Required: false
Data type: string

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Timestamp icon Last updated: Monday, 5 December 2016
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