7.1 Technology
7.1.1 H.323 LRQ
P . 5
[IP Telephony Cookbook] /
7.1.2 H.225.0 Annex G
7.1.3 Telephony routing over IP (TRIP)
7.1.4 SRV-records
7.1.5 ENUM
7.2 Call routing today
7.2.1 SIP
7.2.2 Using H.323
7.3 Utopia: setting up global IP Telephony
7.4 Towards Utopia
7.4.1 Call routing assistant
8. REGULATORY / LEGAL CONSIDERATIONS