VVX 411 phone Lock Screen Customization

Occasional Visitor

VVX 411 phone Lock Screen Customization

Hi Guys,


Could you please help me if you know on below thing. 

I working on one of the requirement from my client, when they locked vvx 411 phone they are able to dial and do the calls and they see two bottons at bottom right like Forgot and Call. when i press clall it says not available , so the thing is i am looking to remove that button or replace that button with someother button, Any thing you can help me on this. we use polycom vvx 411 phones with version 5.7.2 and skype for business.

Phones we use: vvx411

Version: 5.7.2



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