query)
One mode can be chosen for the client to look up server.
The default value is “A Record”
DNS SRV use
Registered IP
Choose whether to enable DNS SRV to use Registered IP when DNS mode is
set to SRV or NAPTR/SRV. If set to Yes, the device will send the request to IP
which is used for SIP REGISTER request. If set to No and DNS Mode is SRV
or NAPTR/SRV, the device is going to send request to the IP based on SRV
priority order. Default is No.
Configure the primary IP for DNS Mode: Use Configured IP
Configure the first backup IP for DNS Mode: Use Configured IP
Configure the second backup IP for DNS Mode: Use Configured IP
The default setting is “Disabled”. If the phone has an assigned PSTN
Number, this field should be set to “User=Phone” then a
“User=Phone” parameter will be attached to the “From header” in the SIP
request to indicate the E.164 number. If server supports TEL URI format, then
this option needs to be selected.
Controls whether the HT502 needs to send REGISTER messages to the proxy
server. The default setting is Yes.
Default is No. If set to Yes, the SIP user’s registration information will be
cleared on reboot.
Outgoing Call
without Registration
Default is No. If set to “Yes,” user can place outgoing calls even when not
registered (if allowed by Internet Telephone Service Provider) but is unable to
receive incoming calls.
This parameter allows the user to specify the time frequency (in minutes) the
HT502 refreshes its registration with the specified registrar. The default interval
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