What is the maximum parties allowed in a conference call on the CP2 or VH20 ?

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• We are unable to make more than 3 party conference calls when registered to a Cisco VOIP server, How can we enable it to make 5 party calls ?

  In Cisco CUCM enable the third party SIP device option as "Advanced" instead of "Basic" to enable 5 party conference calls.

• Caller ID is not displayed in a Telco call

  Caller ID display is a property of Telco service provider.  Customer need to check with the Telco service provider to enable this feature.

• We are able to connect to the Audio bridge from the Dialer but the DTMF code (conference pass code) is not accepted.

  Goto VOIP>Audio>DTMF Relay and try changing the setting SIP Info, from Inband to Outband.  One of the options will work to enter DTMF tones.

• What is the difference between AEC (Acoustic Echo Cancelation), and NC (Noise Cancelation) ?

  AEC or Acoustic Echo Cancelation is a function to prevent the Far End of a conference call (ATC or VTC) from hearing themselves echo back to them. It is caused when the Far End audio comes in to the local room speakers and is picked up by the ...

• What is the difference between the WS800 system and the Dialog 20 System ?

  The WS800 is a UHF Digital wireless system that can provide up to 32 channels per frequency with antenna distribution available. The Dialog 20 system is a smaller 2.4GHz (2) channel system designed for huddle spaces and small conference rooms. There ...