7912 without Callmanager???

Posted on 2005-04-18
Last Modified: 2008-03-17
I have 5 phones 7912 of Cisco, is possible to use them without callmanager?
Is possible to use these phones with algun another type of server of voice IP?

Thanks for its aid
Question by:lidium
    LVL 15

    Accepted Solution

    Hi lidium,
    You can get a "SIP" image for the phone that will allow you to use it with any SIP-compatible VoIP server.

    I believe that you can get the SIP image from -
    You will need to have a CCO login on Cisco's website, and a valid SmartNet account for the phone in order to download the software.

    Does that help?
    LVL 15

    Expert Comment

    Incidentally, you can see a list of several open source VoIP software systems at

    I personally use Asterisk, which I've been delighted with.

    LVL 15

    Expert Comment

    Hi lidium,

    We the above comments of use, or do you need further help?


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