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  • Users: holker
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  1. holker

    CCM upgraded 7960 to Firmware 6.0. Is it bad?

    I got used phone loaded with 3.0 firmware. Configured the phone and hooked to the CallManager. After some time it upgraded to 6.0 without me knowing. I read on the Cisco site that firmware after 5.0 are irreversible. How is that affecting user like me ? What is the benefit of having old firmware?
  2. holker

    pvdm-8 and pvdm-256K-8 what is the difference ?

    Per Cisco site: pvdm-256K-8 is for 1751 router pvdm-8 is for 1750 router They are expensive and pvdm-8 is what I got. I put it in Cisco 1751 router and it is recognized by IOS. I would prefer to use it if possible. My lab will use mix of analog and IP phones like 7960. Is PVDM required on...
  3. holker

    Cisco 1750 maximum memory

    Hi Has anybody tried to put more memory than factory recomenned. per technical specification: max 16MB flash max 48MB DRAM (16MB on board/32MB extra stick) I don't understand why this router has 16MB flash if putting IOS image bigger than 7MB crashes the router. After logging into router I get...

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