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AARNet 2004
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AARNet 2004
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AARNet 2004
- IP Telephony and VoIP Presenter: Stephen Kingham [email_address]
- SIP.edu Architecture (Phase 1) SIP Proxy SIP-PBX Gateway PBX INVITE (sip:bob@bigu.edu) INVITE (sip:12345@gw.bigu.edu) DNS SRV query sip.udp.bigu.edu telephoneNumber where mail=”bob” PRI / CAS bigu.edu SIP User Agent Bob's Phone Dennis Baron, June 5, 2005 Page np128 Links the sip address to a plain old telephone Cheap and (too?) easy to do DNS Campus Directory
- SIP.edu Reachable Users Dennis Baron, June 5, 2005 Page np128
- H.323 routing (all static configuration)
- SIP.edu Architecture: An achievable goal for a University SIP Proxy SIP-PBX Gateway PBX INVITE (sip:stephen.kingham@aarnet.edu.au) INVITE (sip:3575@gw.aarnet.edu.au DNS SRV query sip.udp.aarnet.edu.au Telephone Number for Stephen PRI / CAS Aarnet.edu.au SIP User Agent Stephen's Phone Ref: http://voip.internet2.edu/SIP.edu DNS Campus Directory
- SIP Addressing in the future will be the preferred address, in addition to Telephone numbers “ +61-2-6222 3575, come here. I need you!” A. G. Bell did not say: I will prefer to call people using sip:Stephen.Kingham@aarnet.edu.au Within the next year you will see this on the bottom of email footers and on business cards of Australian Universities. © Ben Teitelbaum @ Internet2
- SIP.edu Architecture: An achievable goal Ref: http://voip.internet2.edu/SIP.edu
Notas do Editor
- A common thread for all successful VoIP and IP Telephony is the Voice expertise. The same can be said for the Video.
- A common thread for all successful VoIP and IP Telephony is the Voice expertise. The same can be said for the Video.
- Important question to ask your IP Phone vendor in a multiple site environment: When I dial Emergency Services in one site which PSTN Gateway does the call go out. Now I dial the same Emergency Services number at another site – which Gateway? How hard is it to make the Emergency Services call go out the local PSTN Gateway 1 st . New generation PBX programming is done using exception routing, some look more like programmes in perl or C. So a routing entry might look like this IF call from phone with IP Address 192.168.1.0/255.255.255.0 AND calling Emergency Services THEN send call to Gateway A first, Gateway B second IF call from phone with IP Address 10.10.1.0/255.255.255.0 AND calling Emergency Services THEN send call to Gateway B first then Gateway A IF call to Emergency Services (The default) THEN send call to Gateway B first then Gateway A
- A common thread for all successful VoIP and IP Telephony is the Voice expertise. The same can be said for the Video.
- A common thread for all successful VoIP and IP Telephony is the Voice expertise. The same can be said for the Video.
- 4 duplicated International Directory Gatekeepers 27 Country Gatekeepers 156 advance voice and video networks
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