https://wiki.unify.com/index.php?title=DNS_SRV&feed=atom&action=historyDNS SRV - Revision history2024-03-29T04:49:31ZRevision history for this page on the wikiMediaWiki 1.29.1https://wiki.unify.com/index.php?title=DNS_SRV&diff=31587&oldid=prevHoremu at 12:22, 25 April 20112011-04-25T12:22:11Z<p></p>
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</table>Horemuhttps://wiki.unify.com/index.php?title=DNS_SRV&diff=9616&oldid=prevChristian.kaehler: DNS SRV2006-10-20T10:35:53Z<p>DNS SRV</p>
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'''DNS SRV'''<br />
<br />
The phone supports the use of DNS SRV record lookups to allow SIP servers to be located. This mechanism is described in detail in RFC 3263 - Locating SIP Servers. If the location to which a SIP message is to be sent is defined as a name as opposed to an IP address a DNS-SRV lookup will be performed.<br />
<br />
The DNS server may return an IP address for the requested SIP server or may return a single name or list of names<br />
which require further A or AAAA record lookups to determine an IP address. The response to a DNS-SRV query will also contain information regarding<br />
the Time To Live for the information returned, the port address to which requests should be sent and weighting information relating to load<br />
balancing of requests. <br />
<br />
Lists of candidate SIP server names are often returned in response to DNS-SRV queries to allow failover mechanisms to be implemented which increase<br />
overall system availability.<br />
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[[Category:Definition]]</div>Christian.kaehler