IP Telephony and Phones

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After  a bunch of problems with phone 3905 have been solved, the SCCP Phones register and work  fine but they don't let me make conferences. It says "Cannot complete  conference", every time I try to put everybody together. It doesn't  matter whether...

Hi All,I have some issues with incoming fax. The voice phase is successful but the switchover to fax fails. When I call the fax number it rings, connects, gives one short beep then is silent throughout the call until I drop the call.ITSP SBC--> (SIP ...

Hi,I'm trying to locate a table showing license units needed for all available phone (in particular 8900s).http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/phones/ps7193/guide_c07-685702_ps10451_Products_Data_Sheet.htmlAfter much digging aro...