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Im trying to configure my Lucid 10.04.03 in order to work with Sip phones;

Actually, Ekiga and Jitsi* works fine, except for the call transfer/forward, that is very important for me.

With Ekiga, i press first H to hole, then T to transfer, then the number of a my colleague, but nothings happen.

With Jitsi, i get an "not implemented" error, lose the call and keep the sip account busy for about 30 seconds (strange thing is that jitsi should implement the transfer in the last stable version, but i tryed both the nighly and the stable)

Twinkle, Linphone, QuteCom; I've tryed them all but noone works with transfer/forward.

Any idea?

p.s: I'll love to get jitsi work becose it support even gtalk/jabber, so i can have 1 app to all my contacs.

UPDATE From the Twinkle manual:

When you want to transfer a standing call to another party you press the Xfer button. This will popup a dialog box from which you can choose what kind of call transfer you want.

Blind call transfer Transfer with consultation Transfer to other line

Call transfer will only work if your SIP provider and/or the remote party supports the proper SIP extensions.

this could be the reason why my xfer button is disabled, but my colleagues can transfer call without problem, they're using X-Lite on MacOsx, so i guess my sip does support call transfer...

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  • Do you still have the problem. Have you found how to solved the problem or considered accepting an answer that solves your problem (if any)?
    – Luis Alvarado
    Dec 5, 2011 at 18:57
  • nope, still not able to transer calls - im not using voip software nomore.
    – Strae
    Dec 5, 2011 at 23:34

1 Answer 1

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I didn't try the others recently but I have twinkle working very well here with call transfer since 2007 on many machines. Does your PBX (or sip provider) is configured/allow call transfer?

Update:

Transferring with twinkle:

1) Attended transfer:

1 Press Hold
2 Select the free line
3 Call inernal number and talk to colleague
4 Press Bye (and your colleague also needs to shutdown the call)
5 Do Blind transfer (next item) if OK to transfer or talk with caller

2) Blind transfer

1 Press XFer, enter internal number and select Blind Tranfer
2 Press OK

The problem with blind transfer is that if the destination is not available, the external call is lost. This happens with all softphones I tried but I guess you can change that doing some work on Asterisk if you are using it as PBX.

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  • Yes, in my office im the only one unable to transfer calls, my 3 collegues running Mac OSX with X lite doesnt have any problem.. With Twinkle, when you transfer the call, do you put just the internal number or some other things?
    – Strae
    Sep 13, 2011 at 14:03
  • Just reinstalled twinkle, but looks like i cant use the Transfer option; There is somethings that i have to configure?
    – Strae
    Sep 13, 2011 at 14:07
  • Attended transfer option doesn't work but I updated the answer with the way I do it. Blind transfer option works without any config or special code, only the internal number
    – laurent
    Sep 13, 2011 at 16:39
  • Really thanks for your help! But in my case, the XFer button is never active, not even when holding a call: goo.gl/II1l8 I have no idea on how to enable it..
    – Strae
    Sep 14, 2011 at 7:02
  • Maybe you have something wrong configured. Try to look in User Profile -> Sip Protocol -> REFER tab. (I have checkboxes 1, 2 and 4 selected only)
    – laurent
    Sep 14, 2011 at 18:08

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