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How do I find the codec currently used in the Cisco IP Phone 7940/7960/7970 during an active call?

April 26, 2017active cisco ip codec Currently phone Used

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How do I find the codec currently used in the Cisco IP Phone 7940/7960/7970 during an active call?

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A. The Cisco IP Phone7940/7960/7970 display can be utilized for troubleshooting purposes through the Information/Help (i or ?) button on the phone in order to display information on a call in progress. Press this button twice during an active call in order to activate this feature. The RxType/TxType tells you what codec is used for the conversation between this IP phone and the other device. Refer to Using the 79xx Status Information For Troubleshooting for more information.