[reSIProcate] How does a client build a DNS lookup that restricts the responses to UDP?

Byron Campen bcampen at estacado.net
Tue Dec 5 17:04:03 CST 2006


	Well, you can always do sip:user at domain.com;transport=udp. Also, if  
your stack doesn't support TCP, it should use UDP instead. Lastly, if  
there are no TCP SRVs in DNS, you should also get UDP results.

Best regards,
Byron Campen

> Hi,
>
> I find that if a DNS server is set up with NAPTR records for a  
> domain that
> specify TLS/TCP is most preferred, then TCP, the UDP last, and a  
> client does
> a DNS lookup for sip:user at domain.com (through DnsInterface), the  
> DNS server
> only returns records for TLS/TCP.
>
> How do you configure the lookup on the client side to ask for only UDP
> records, even if they are least preferred on the server?
>
> Regards,
> Dave
> _______________________________________________
> resiprocate-devel mailing list
> resiprocate-devel at list.resiprocate.org
> https://list.resiprocate.org/mailman/listinfo/resiprocate-devel

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