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The HP Community is where owners of HP products, like you, volunteer to help each other find solutions.
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UC Software 3.3.0 introduced many changes to the way the Polycom Phones are provisioned.

 

For a detailled overview of these changes please read => here <=.

 

The greatest change is that there is no longer a need for the sip.cfg / phone1.cfg

 

Any user upgrading from a SIP 3.2.x or previous Version is advised to utilize the cfcUtility from => here <= in order to automatically convert pre UC Software Parameters into their matching Parameters for UC Software 3.3.0.

 

NOTE: The tool is only converting pre UC Software Parameters to match UC Software 3.3.0 Parameters and will remove any newly manually added Parameters from UC Software > 3.3.1 or 4.0.0! 

 

UC Software 4.0.0 changed the BootROM process into the Upgrader as described => here <= 

 

An Overview of supported Phones in relation to the SIP / UC Software can be found => here <=

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Notice: I am an HP Poly employee but all replies within the community are done as a volunteer outside of my day role. This community forum is not an official HP Poly support resource, thus responses from HP Poly employees, partners, and customers alike are best-effort in attempts to share learned knowledge.
If you need immediate and/or official assistance for former Poly\Plantronics\Polycom please open a service ticket through your support channels
For HP products please check HP Support.

Please also ensure you always check the General VoIP , Video Endpoint , UC Platform (Microsoft) , PSTN
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