[VoiceOps] Broadsoft / 3CX SIP Trunks

PE peeip989 at gmail.com
Tue Oct 2 10:20:58 EDT 2012


**grumble**

There's an Edgemarc in the middle and it is throwing a 404 because it
doesn't know what to do with the call. I think I am now sending what the
3CX wants but unfortunately a proxy is required for this implementation.

I knew it was too soon to declare victory. Back to scratching my head.




On Tue, Oct 2, 2012 at 8:33 AM, PE <peeip989 at gmail.com> wrote:

> Thanks all. It is too early to declare victory but based on my tests it
> looks like the Acme SIPConnect feature + Broadworks Alternate Trunk
> Identity is going to be the solution.
>
>
>
>
>
> On Tue, Sep 25, 2012 at 5:27 PM, PE <peeip989 at gmail.com> wrote:
>
>> Greetings fellow voipsters,
>>
>> Have any of you done a SIP trunk integration between Broadsoft and 3CX?
>> Or, more specifically, I have a customer with a 3CX device (don't ask) that
>> is registered and I can send an INVITE, but their end denies the call
>> (sends a 480 Temporarily Unavailable response) because it is having trouble
>> routing it to the destination in the 3CX system. This is because they are
>> expecting only the extension (4-digits), which I can send in the To: header
>> but the SIP URI is the full, registered User ID so that the SBC knows how
>> to get it to them. They are expecting only 4 digits in both the INVITE URI
>> header and the To header.
>>
>> I know I can create a complex/convoluted header manipulation with the SBC
>> but it just feels like there must be another way.
>>
>> Anyone know how to config the 3CX -- or even have a decent workaround --
>> to support this?
>>
>>
>> Thanks
>>
>
>
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