I have read that the VoIP services offered by some ISPs have a bandwidth of about 24kbps. This is the actual throughput available by the use of the codec G.729.
I want to know of ways to use only use a bandwidth of 8 to 12kbps.
What codecs can I use? (e.g. G.723.1 ?)
And will I also need to use additional compression techniques?
The header size of each IP frame is also quite large. How can this be controlled or compressed?
I have a feeling that a bandwidth of 10kbps is very narrow and might result in poor voice quality. However, some ISP have found ways of getting around the problem. I would like to have your ideas and knowledge on this.
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The short answer is that you don't.... That isn't entirely true while at
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Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...