Cisco SPA509g Background noise terrible

[raphraphster]

I have about 50 of cisco spa509g I didn't know where to post this but I need help with background noise on these, could you please help me to reduce noise

Thanks

Raphael

[rosaho]

This discussion has been reposted to the SPA IP Phones community.

[Dan Lukes]

Are you using speaker ? Handset ? Headset ?

Hard to respond with no operation mode and environment specified.