Table of Contents
Advertisement
Defines which DNS service will be used to lookup IP address for SIP server's hostname. There are
three modes:
A Record
SRV
DNS Mode
NATPTR/SRV
To locate the server by DNS SRV set this option to "SRV" or "NATPTR/SRV". Default setting is "A
Record".
This setting configures the maximum number of retries for the device to send requests to the server.
Maximum Number
In DNS SRV configuration, if the destination address does not respond, all request messages are
Of SIP Request
resent to the same address according to the configured retry times.
Retries
Valid range: 1-10.
Configures the preferred method for DNS SRV failover. There are Three DNS SRV Failover mode:
If "Default" is selected, the primary SIP server or Outbound Proxy will always be attempted first
for all REGISTER and INVITE requests.
If "Use current server until DNS TTL" is selected, the device will send all SIP messages to the
current failover SIP server or Outbound Proxy until DNS times out.
DNS SRV Failover
Mode
If "Use current server until no response" is selected, the device will send all SIP messages to
the current failover SIP server or Outbound Proxy until there is no response.
If "Failback follows failback expiration timer" is selected, the device will send all SIP
messages to the current failover SIP server or Outbound Proxy until the failback timer expires.
This option is configured when DNS SRV failover mode
timer" is chosen. It specifies the duration (in minutes) since failover to the current SIP server or
Failback
Outbound Proxy before making failback attempts to the primary SIP server or Outbound Proxy.
Expiration(m)
Valid range: 1 – 64800
Register Before
To set register before DNS SRV Fail-over.
DNS SRV Fail-over
The default value is "Yes"
"Failback follows failback expiration
Advertisement
Table of Contents
