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  1. cannot do an attended call transfer

    turning off reinvite/replace in the gateway (cisco 2811) seems to do the trick. i get 2 way audio again when doing an attended transfer....but in another situation mobile nr. --> ext. 501 --> external number..... again 1 way audio. i think that the cisco2811 does not handle the reinvite/replace...
  2. cannot do an attended call transfer

    hi Stepan, just to let you know that i have tested with the 3CX softphone client and could reproduce the same problem. it has nothing to do with a compatible phone or not. somehow 3CX doesn't correctly do an attended transfer. i will test the options you send me although i already did a lot of...
  3. cannot do an attended call transfer

    Hi Stepan, I noticed that in the latest update for 3CX is support for tiptel provisioning. Why isn't tiptel 28x then on the list of compatible hardware? thx Ray
  4. cannot do an attended call transfer

    Stepan, do you mean to change this per extension or in the 2811 gateway properties? right now i have following set for all extension properties "Supports re-Invites=off" "Support replaces=off" "PBX delivers audio=off" and for the 2811 gateway i have: "Supports re-Invites=on" "Support...
  5. cannot do an attended call transfer

    another thing that i just noticed is that when ext. 501 does the attended xfer to ext. 502. and 502 is connected to the external call +31541589801 and presses "Hold" and "Resume" on the tiptel phone...the audio suddenly works both ways ?!?!?
  6. cannot do an attended call transfer

    hi sy, sorry for the incomplete port. i will fill in the missing parts, 3CX v9 SP 5 sip phones (ext. 501 and 502) = tiptel IP 284 voip gateway = cisco 2811 external caller = could be any phone (in this example i used an older sopho pbx phone (isdn) with caller id 31541589801 Problem...
  7. cannot do an attended call transfer

    just noticed a problem with my fresh 3cx installation for 60 users. when doing an attended call xfer (external call coming in) from 1 3CX extension (501) to another (502) the attended call xfer works but only has 1 way audio. the called party cannot here the original external party that got...
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