Cannot hear each other when calling through Cisco VoIP phones

Summary

How to make both lines hear the other using VoIP phones

Body

Issue/Question

When calling we are unable to hear each other

Environment

  • Cisco Voice over Internet Protocol (VoIP) Phones

Cause

Multiple causes

Resolution

Details

Details

Article ID: 1063
Created
Mon 10/29/18 9:49 AM
Modified
Mon 3/30/26 3:03 PM
KCS Article Status
WIP: Only Problem & some Environment captured
Not Validated: Complete & Resolution captured, confidence lacks in structure, content, no feedback
Validated: Complete & reusable, used by licensed KCS user, confidence in resolution & std. compliance
Validated