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Do Cisco 7940 and Cisco 7960 IP Phones support G.729 Annex B when running SIP load?

April 26, 2017annex Cisco g.729 IP phones running support

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Do Cisco 7940 and Cisco 7960 IP Phones support G.729 Annex B when running SIP load?

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A. No, Cisco 7940 and Cisco 7960 IP Phones do not support G.729 Annex B when running SIP load. If you need to use 7940 or 7960 IP Phones that run SIP instead of SCCP for some particular reason, you can use a hardware transcoder to support G.729 Annex B out the H.323 trunk.