migilles Thu, 04/30/2009 - 12:08
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No, the 7921/7925 doesn't support SIP at this time. So must use SCCP, which requires CM.

gulfstream Thu, 04/30/2009 - 12:30
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Are the SIP Dual-tone options which are the advanced features of the 7921G the same for SIP calls?


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