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Call faults include one-way audio, no voice, low call quality, call connection fault, digit sending and collection fault, number display fault, and prompt tone fault.
ϒ⁄This topic describes the call process, which helps locate and rectify faults.
ϒ⁄Methods for Locating Call Faults
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ϒ⁄Only One Party Can Hear the Peer Voice
ϒ⁄This topic describes how to troubleshoot a fault that only one party can hear the peer voice. Symptom
ϒ⁄Calling Party and Called Party Cannot Hear Each Other
ϒ⁄This topic describes how to troubleshoot a fault that calling party and the called party can not hear each other.
ϒ⁄This topic describes how to troubleshoot the low volume or the high volume.
ϒ⁄This topic describes how to troubleshoot the noise in the line.
ϒ⁄This topic describes how to troubleshoot the voice intermittent.
ϒ⁄This topic describes how to troubleshoot the call connection faults.
ϒ⁄Sending and Collecting Digits Fail
ϒ⁄This topic describes how to troubleshoot a fault that causes failure to send and collect digits.
ϒ⁄Number Is Displayed Abnormally
ϒ⁄This topic describes a fault that causes number display abnormally.
ϒ⁄Local Calls Failed While Toll Calls Were Successful
ϒ⁄This topic describes how to rectify the fault when local calls failed while toll calls were successful.
ϒ⁄This topic describes how to troubleshoot voice prompt faults.
ϒ⁄This topic describes how to troubleshoot a fault that a caller hears the voice prompt that "The number you dialed does not exist".
Parent Topic: Troubleshooting Guide