Overview You may experience an issue that calls are not working from Verizon Operator, with a message: "Welcome to Verizon Wireless. Call cannot be completed as dialed, as the called party is busy." S...
Overview You are unable to call an International Number, getting an error message "Your call cannot be completed at this time in the country you are trying. Please call later." Solution One of the ...
Overview You may experience an issue with calls being transferred receiving internal intercept from Zoom while the same numbers manually dialed through Zoom phone go through just fine. Solution To sta...
Overview The incoming calls from the external caller are getting a busy signal "Decline (603)", and then the call fails. Solution To start with troubleshooting, we will need call samples. Open a ticke...
Overview You may experience an issue with a particular TN being unreachable - you cannot receive calls for the number. Solution To start with troubleshooting, we will need as many details as possible:...
Overview You encounter an issue where international incoming calls do not reach the TN (telephone number). Moreover, you do not see any call attempts hitting your SBC. Solution To start with troublesh...