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Inbound calls - SIP Trunk with Cisco CME

Discussion in '3CX Phone System - General' started by nmdc.kzstan, Jan 27, 2017.

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  1. nmdc.kzstan

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    Hi,

    Outgoing calls (From 3CX extentions to CME extensions) are working over Generic SIP Trunk (Type of Authentication -> 'Do not require - IP Based'). But incoming calls from CME are rejected with 'SIP/2.0 407 Proxy Authentication Required'.

    In Generic SIP Trunk > Call Options both inbound and outbound calls are allowed by default.

    3CX version 15.0.0
     
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