The csico phone ring for two or three times before answering
This is almost certainly a hardware problem with the Hookswitch. After deploying Cisco IP Phones for the last few years we (and many others) have found this to be the most common hardware problem. There is a "Best Practice" for cleaning the Hookswitch contacts (link below) that does work (rarely) . Usually the phone has to be replaced/RMA'd.
If you don't have smartnet on the phone and you want to buy the parts to fix this, here's the link
Configuring Cloud Connected PSTN (CCP) – Easy as 1-2-3!
STEP 1: PREPARE
Before you can configure your CCP in Control Hub, you must procure PSTN services from an authorized Webex Calling CCP Partn...
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This topic is a chance to discuss more about how to read Cisco Unified Communications trace files. In this session, Cisco D...