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Cisco Unified IP Phone 521SG

Discussion in '3CX Phone System - General' started by sigrid, Sep 3, 2010.

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  1. sigrid

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    Hello,

    Is it possible to use Cisco Unified IP Phone 521SG with 3cx? I have tried to search with no result.

    Thanks
     
  2. leejor

    leejor Well-Known Member

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    To work with 3CX a phone has to be using SIP firmware. it doesn't look like that phone supports SIP but uses Ciscos proprietary (Unified) VoIP signalling. Some Cisco phones can be loaded with SIP firmware.
     
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