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7940 Problems with sound quality

Is there anybody who has noticed, poorer sound quality with 7940 phones when they are at hardware version 1.0 that don’t occur with hardware version 2.0.

They also differ in power, HW: 1.0 has 3V amp and HW: 2.0 has 5V amp, this is the case witch both inline power and normal power.

1 REPLY
Cisco Employee

Re: 7940 Problems with sound quality

I don't know of anyone reporting this so far. If you have both hardware versions then one thing you can do is take a sniffer trace of a call with each version and then we can look at the capture with different tools (and even play back the streams) to try to catch any difference.

Can you describe how the sound quality is different? Is it choppy, is it poorer tonal quality, volume issues, etc?

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