I have a sf300 with (2) vlans (1) ] vlan for data and vlan (100) is my voice vlan I have Vlan (100) tagged traffic, and my VoIP pbx as an access port only to vlan (100) all other ports are trunk ports with vlan (100) tagged and vlan (1) untagged traffic. I get no outbound audio on calls I can call out hear them fine they cant hear me. I am wondering if my tagged traffic leaving the phone is being striped and if so were. I have CDP turned off. Any help would be great thanks in advanced
If your vlan traffic was miss configured, then your phones wouldn't even register or make any call. Since you have one way audio you need to look at your gateway/router which usually will cause one way audio.
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