2009/2/5 Attila Sipos <[email protected]>: > Just wondering how ENUM is typically deployed. > > I was thinkng that you just use existing DNS servers. > > But someone at my work thinks that deployers might use > a completely separate DNS server for ENUM-only lookups. > > what is more typical?
ENUM is not widely implemented. Each country is supposed to admin its own PSTN prefix as a subdomain of "e164.arpa", this is, Spain (+34) would admin the subdomain: 4.3.e164.arpa so, DNS NATPR queries like "1.1.2.2.3.3.4.4.9.4.3.e164.arpa" would arrive to DNS server in Spain handling all the subentries of domain "4.3.e164.arpa". Unfortunatelly this is not widely implemented so AFAIK most SIP providers create their own ENUM DNS server, for example "e164.sipprovider.com", and they use it internally as PSTN->SIP resolution for their local customers. That DNS server is just accessed by the provider SIP proxies. There are also private ENUM servers shared by various SIP providers with a peering relationship, something like XConnect: http://www.xconnect.net/ Perhaps I miss some case. Regards. -- Iñaki Baz Castillo <[email protected]> _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
