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Service providers have traditionally relied on TDM interconnections to move voice traffic on and off their networks, in part because of the high quality and reliable interconnections inherent in the technology. Advances in VoIP-based technology present a new lower-cost alternative that offers quality and reliability that rivals TDM networks. IP to IP transcoding from carrier to carrier is now becoming a more common practice. The combination of the increased security, quality/reliability, advanced features, and the lower cost of VoIP is encouraging service providers to use VoIP peering solutions for network interconnection.
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The next two tables display the number of transcoding sessions per profile that is supported on the IMG 1010 and/or IMG 1004. Note that a Transcoding session uses two IP ports. One port for incoming and second port for outgoing. The table below displays number of sessions supported per Profile (Not Port Density). For a breakdown of IP Port Density supported per profile and codec please see the IMG 1010 - Vocoder Information topic.
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The individual profiles (Profile 5, Profile 6, etc) are configured on the IMG by setting either the parameter Host_1010_Flag on the IMG 1010 or the Host_1004_Flag on the IMG 1004. These parameters are located in the dhcpd.conf file in /etc or /etc/dhcp (depending on OS version). See IMG 1010 - Setting Host Flags link for more information on configuring IMG for a specific profile. |
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