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Noisy SIP line

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Simons:
Afternoon everyone.

I've had a complaint from one of our users who is experiencing a static noise on the line when making some calls.

We have Mitel 5340's in the office and have a new HP PoE switch. There is only 3 phones in the office. She has also experienced this issue at another office which has a different SIP provider.

Any idea's?

Thanks
Simon

dilkie:
same problem with handset and hands-free, speaker phone?

sounds like a h/w problem with her set.

Simons:
Hi Dilkie

The user uses a different handset at a different site so it can't be that!

Thanks

dilkie:
sorry, I read it differently, that the same phone connected to different sip providers had a noise issue.

beats me... I have seen noisy sip trunks on rare occasions, all due to issues at the provider's media gateway where it interfaces with the PSTN. But hanging up and making a new call always resolved.

Simons:
Yeah the user does hang up the call (because of this noise) and then makes another call and all is fine.

Just want to know why it's doing it, maybe i could put QOS on the line???

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