5. SIP ~ INVITE From: ‘Graham Francis’ <sip:6886756@sipcom.com> To: <sip:5767445@sipcom.com> Audio Codec – G711 or … Audio Codec – G729
6. 200 OK From: ‘Graham Francis’ <sip:6886756@sipcom.com> To: <sip:5767445@sipcom.com> Let’s use Audio Codec – G711
7. ACK From: ‘Graham Francis’ <sip:6886756@sipcom.com> To: <sip:5767445@sipcom.com> Acknowledgement VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP VoIP
8. Unified Clients Unified Server Inc. Registrar and Location services SIP IP Phones Directory DNS Messaging Server Gateway PBX Firewall / NAT ITSP
29. “ The Mitel ‘SIP Center of Excellence’ is pleased to announce that it fully supports and endorses The SIP School and the SSCA™ as it’s program of choice for SIP training and certification for it’s own technical staff, channel partners and clients.”
Welcome, my name is Graham Francis – I’m from The SIP School and thanks for coming along today I’ve got one question that’s bugging me about all these great looking Unified Communications products and services around here today and that is …. will they all work as well as they claim? And will they continue to work at networks evolve? Let’s come back to that question later?