participate in an existing call

robert12

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#1
Hi All,
How can 3 internal users participate in(jump in) an existing call between an inside and outside party to be able to listen and talk and make a 5 speaker (lets say 4 internal and 1 external) Conference call
Thanks
 

dicko

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#2
More than three parties normally needs you construct a conference (meet-me) endpoint.
 

robert12

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#3
so we cannot add users to confrence just by pushing the conf. button after 1 user is addes in a 3 way conf.?
 

dicko

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#4
Asterisk supports three way calling, some phones have in effect a "conference bridge" built in, that depends on your hardware, but for quality of voice on all legs I suggest you use the asterisk meetme (conference) application.

dicko
 

robert12

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#5
thanks for your post, so its intresting to know that the meet-me confrancing(each user has to individually call-in), is better quality that 1 person conf. 4 other users, does it have to do with the initial caller's phone traffic and all the others that he conf. in?
 

dicko

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#6
You can transfer a call to a conference, then join it yourself, after perhaps getting the other parties involved. The conference bridge is a piece of low level code (audio factory) that will better mix the various audio streams and attempt to "normalize" the levels of the different legs.
 

robert12

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#7
that works great internally but when outside PSTN callers are transferred to the conf. ext. , once they hang up system doesn
 

dicko

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#8
Then my guess is that you are using analog trunks and need to research "far end disconnect supervision" (many posts here :) ) the tone you are hearing is probably a "fast busy" or technically a "re-order" tone not a busy, but that's just me being pedantic.

dicko
 

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