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Recommended firmware version for Polycom SoundPoint 321 phones

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We are running Adtran ECS version 5.5.0.8248 with a handful of Polycom SoundPoint IP 321 phones. They have been freezing up on us at random times. We've been troubleshooting our PoE switches and network jacks. Things are looking OK. As our next step, I would like to try a firmware upgrade on this model phone. Any recommendations for a version? Thank you.

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Re: Recommended firmware version for Polycom SoundPoint 321 phones

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Thomas, it appears the latest version on Polycom's site is 4.1.1, so that's what I'd suggest going with if you were to upgrade. Thanks

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Valued Contributor
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Re: Recommended firmware version for Polycom SoundPoint 321 phones

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Thomas, it appears the latest version on Polycom's site is 4.1.1, so that's what I'd suggest going with if you were to upgrade. Thanks

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Re: Recommended firmware version for Polycom SoundPoint 321 phones

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Thanks Jay. Uploaded and tested today. Looking good.