Refer to the exhibit Users report that they receive a fast, busy signal when they...

Vendor: Cisco
Product: 350-801
Update on: Oct 31, 2026
Questions: 489

Cisco 350-801 Question Answer

Refer to the exhibit Users report that they receive a fast, busy signal when they can certain older phone models from their Cisco IP Phone 7821 An engineer checks the call traces and discovers the SDP offer and the error message at the same time as the call failure. What is the cause of the issue?

The called parties are already on an active call.

The called party has configured Cal Forward Al to a blocked number

A codec mismatch causes the voice stream.

The firewall is blocking the voice stream