【Problem Description】:there is a problem with the relay connection between ICP and telecommunications
【Problem Analysis】: please follow this link
https://support.huawei.com/hedex/hdx.do?docid=EDOC1000067234&id=u1960_cfgg_00059&lang=zh
use different call source to go to different office route and do number change.
【Root Cause】: configuration issue.
【Solution Description】: please follow this link
https://support.huawei.com/hedex/hdx.do?docid=EDOC1000067234&id=u1960_cfgg_00059&lang=zh
use different call source to go to different office route and do number change.