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Tricky: How to ignore one certain external DID/MSN?

Discussion in '3CX Phone System - General' started by voiper, Nov 25, 2009.

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  1. voiper

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    Hi Folks,

    what I want seems to be simple but unfortunately 3CX can't do it (?): I want to ignore a certain DID which is signalled by a Patton 4552 to 3CX. Actually, 3CX picks every signalled DID. I simply miss a switch like "Do nothing" in the section "Configure where calls should be routed...". Why I need that? Simply because our client has external ISDN-based industrial modems with own DID but connected to the same line like SN4552/3CX. Because 3CX picks every signalled call, the other ISDN-based applications are unemployed :shock:

    Thanks for any tip!

    Best regards,

    Voiper
     
  2. aveiser@veiser.de

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    If you remove the DID from incoming rules, 3CX will should not pick up the line.
    Did you try this?
     
  3. KerryG

    KerryG Active Member

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    3CX cant see the DID until it answers the line so there is no way to do this. A PBX should never share a line with another inbound device because the PBX (regardless of brand) needs to answer the call in order to route it.
     
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  4. voiper

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    Hello.

    thanks for your appreciated answers.

    It's true, there's really no way to simply ignore a certain incoming DID/MSN in 3CX. I solved my problem now by configuring the Patton 4552 with additional parameters like that:

    routing-table called-e164 IF_ISDN_0
    route 123456 dest-interface IF_SIP_0 [where 123456 stands for the external DID/MSN you WANT to handle by 3CX]
    route 234546 dest-interface IF_SIP_0
    [...]

    interface isdn IF_ISDN_0
    route call dest-table IF_ISDN_0
    user-side-ringback-tone

    Thanks the outstanding support from Senior VoIP Engineer Mr. Jörg Wagenlehner, an Allnet employee, this problem was solved elegant.

    Voiper
     
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