IP Telephony Cookbook by Saverio Niccolini, Jorg Ott, et al - HTML preview

184

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