Call Manager vs. SIP Proxy and Registration Server?

Discussion in 'Cisco' started by Ramon F Herrera, Apr 8, 2005.

  1. Hello:

    What is the difference between Cisco's Call Manager and a SIP Server?

    Can I use Cisco IP phones with a SIP Server (and no CM)?

    Can I use one of the softphones available out there with
    the Cisco CM?

    Does Cisco have a softphone?


    -Ramon F Herrera
    Ramon F Herrera, Apr 8, 2005
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  2. The protocols being used.
    Yes, you can use Cisco phones with SIP images.
    I do not think you can use any other than the Cisco SoftPhone with CM
    Martin Kiefer, Apr 8, 2005
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  3. Ramon F Herrera

    erike Guest

    Cisco have a softphone called softwphone - the original cisco softphone but
    also the IP communicator softphone which is like a 7970 harphone in soft
    format on a PC

    see for info on both

    I know of people who are using cisco IP phones with other sip servers -
    remember to load the sip image on the phones then and not the skinny image
    cisco phones use when talking to call manager.
    erike, Apr 8, 2005
  4. Ramon F Herrera

    Jeff C Guest

    For PC's I only know of Cisco's softphone and IP Communicator
    but the handhelds running WindowsCE (or is it PocketPC or?)
    there is IP phone software called IPBlue that makes your
    802.11b handheld a wireless phone.

    -Jeff C
    Jeff C, Apr 9, 2005
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