PLANET VIP-350PT User Manual
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2. Manually Set: Assign a registrar server below.
3. Auto-discover by querying DNS NAPTR records of both “SIP+D2U” and “SIP+D2T”, SRV
records of SIP domain. For example, if the registered AoR is “someone
<sip:[email protected]>”, then it would query for NAPTR record of “_sip._udp. dummy.com”
or “_sip._tcp. dummy.com” (RFC 3263). By auto-discover registrar server, you could achieve
Registrar server redundancy in SRV record level.
4. Multicast (224.0.1.75) Registration: Register by sending register information to multicast
address 224.0.1.75
The IP Phone implements SIP registrar redundancy when the DNS server returns more than one
IP for the specified domain name record. It will try the additional server IP when the first server IP
has no response.
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Registrar FQDN
Specify the IP address of the registrar server. You can use either a dotted IP address or a DNS
name. If you specify a DNS name and the DNS server returns more than one IP, The IP Phone will
try them in sequence if the first server IP contacted has no response (Registrar server
redundancy).
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current input method is alphanumeric and [123..] indicates digits input.
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