Example shows an AARNet Member and the AARNet Hop Off in to a Public Telephone Carrier. ISDN is ETSI or Australian TS13. H.323 Gateway uses G.729a 8kbps voice compression. H.323 Gatekeeper resolves Telephone number (E.164) to IP address H.323 used to establish connection to remote H.323 device or Gateway. Technology is enabling for PABX less sites. AARNet Voice supports fax but NOT modems. Shares data bandwidth (26kbps per active call) Router and PABX provide the routing and look ahead alternate routing. Router supplies bytes and calls for billing. Voice and Data groups will need to be co-ordinated.
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