asterisk users - Sep 2021 - originate call in dial plan to join confbridge

I need to call 1 number and that number and bring 3 phones into a
confbridge.
I tried this:

; PHONE CONF   - Phone group Conf

exten => 63,1,Originate(SIP/401,exten,63,join_conf)
exten => 63,2,Originate(SIP/402,exten,63,join_conf)
exten => 63,3,Originate(SIP/404,exten,63,join_conf)
exten => 63(join_conf),n,ConfBridge(63,MyConfBridge,MyConfUser)

The problem is this waits till 401 answers -before calling 402 and so forth.
I need to "call" each one "now" and bring into the
conference.

How do I do that ? I want all 3 ringing at the same time - and then as they
answer they are brought into the conference.

Thanks

Jerry
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>>> How do I do that ? I want all 3 ringing at the same time - and then
as they answer they are brought into the conference.
I'd use call files,

Others I'm sure would use AMI.

Doug

On 9/29/2021 4:08 PM, Jerry Geis wrote:
> I need to call 1 number and that number and bring 3 phones into a
> confbridge.
> I tried this:
>
> ; PHONE CONF   - Phone group Conf                                    
>                  
> exten => 63,1,Originate(SIP/401,exten,63,join_conf)
> exten => 63,2,Originate(SIP/402,exten,63,join_conf)
> exten => 63,3,Originate(SIP/404,exten,63,join_conf)
> exten => 63(join_conf),n,ConfBridge(63,MyConfBridge,MyConfUser)
>
> The problem is this waits till 401 answers -before calling 402 and so
> forth.
> I need to "call" each one "now" and bring into the
conference.
>
> How do I do that ? I want all 3 ringing at the same time - and then as
> they answer they are brought into the conference.
Use the "a" option for asynchronous operation.
e.g. exten => 63,1,Originate(SIP/401,exten,63,join_conf,,a)
> Thanks
>
> Jerry