[cisco-voip] CUBE on 2821 Sip Trunking GigE not w/ PRI DSP Card?

[Gary H]

 Does the Cisco 2821 need the DSP card in addition to proper IOS***  the if
it is only doing SIP TRUNKING via ethernet interfaces (not pri)  with IP PBX
such as Interactive Intelligence?
***  (c2800nm-adventerprisek9-mz.124-24.T1.bin
or c2800nm-adventerprisek9_ivs-mz.124-24.T1.bin)

-Gary
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