1. global 800 service through freenum.org Michael Haberler Internet Foundation Austria mah@eunet.at

2. freenum.org & global 800 service „Infrastructure ENUM“ routing experiment for SIP ITSP‘s –instance of the „early exit, late entry to PSTN“ strategy enabled by ENUM idea – contribute 800 termination and use the other termination points in turn routing done by entry & lookup in a private ENUM tree: –+43800.*  sip: @gw.at43.at –add a ENUM lookup in freenum.org with SIP Express Router, Asterisk – out of the box it‘s a controllable entry step before full-scale public ENUM deployment

3. how it works at43 freenum.org +1 +43 +1 800 1234567 +43 800 800 888

4. example use : SIP Express Router # catch voice:sip ENUM entries if (enum_query("e164.arpa.", "voice")) { t_relay(); } # look up freenum.org ENUM entries if (enum_query("freenum.org.")) { t_relay(); } # just forward to PSTN rewritehostport("193.171.3.5:5060"); t_relay();

5. example use: Asterisk sip.conf: [general] search => e164.arpa search => freenum.org

6. steps to contribute you need a PSTN gateway accessible by SIP permit open access for sip:+cc8XX*@gateway.cc have us add ENUM wildcard in freenum.org

7. DNS Sample $ORIGIN. $TTL 600 ; 10 minutes 3.4.freenum.org IN SOA ns2.at43.at. axelm.nic.at. ( 5 ; serial 1200 ; refresh (20 minutes) 3600 ; retry (1 hour) 604800 ; expire (1 week) 600 ; minimum (10 minutes) ) $TTL 3600 ; 1 hour NS ns2.at43.at. NS ns5.univie.ac.at. NS ns-iad.loligo.com. $ORIGIN 0.0.8.3.4.freenum.org. * IN NAPTR 100 10 "u" "E2U+voice:sip" "!^\\+43800(.*)$!sip:00800\\1@samuel.ops.at43.at!". * IN NAPTR 100 10 "u" "E2U+sip" "!^\\+43800(.*)$!sip:00800\\1@samuel.ops.at43.at!".

8. Status +1, +43, +31 termination in place Spain, France, UK being set up expect Korea, Japan, Canada

9. if you are interested let us know – mah@eunet.atmah@eunet.at site: www.freenum.org (being set up)www.freenum.org mailing list: freenum@mlist.greenspot.at subscribe http://mlist.greenspot.at/cgi- bin/mailman/listinfo/freenumhttp://mlist.greenspot.at/cgi- bin/mailman/listinfo/freenum contribute some termination in your country use ours in exchange

10. thanks! Michael Haberler Internet Foundation Austria mah@eunet.at +43 59966 366001 pstn & sip+enum