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Thread: Siemens Gigaset S450IP and C450IP Phones

  1. #21

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    Quote Originally Posted by jonathand131 View Post
    There was a firmware update today for my C470IP :
    In the release note ( http://gigaset.com/repository/1693/1...eng_V02184.txt ), it is mentioned "VoIP: Call transfer via R key".

    This is good news but after updating my phone, the R key still doesn't work with IP call. But, I've found that I can do transfer call using "Ext.call" function which is displayed during a call and then using "Options/Call transfer". Don't know if this feature was added by this firmware update or if it was already available before.
    In fact, my phone wasn't at the latest version.

    Now, there is a new option in the phone's web interface which is disabled by default but that you can activate to use R key to do call transfer.

    But it still doesn't work for me.

    "Use the R key to initiate call transfer with the SIP Refer method.: Yes No"

  2. #22
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    So at least theoretically the problem should be resolved now. Did you check if the phone is really sending REFER when you press the R key with the new option activated?

  3. #23

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    It appears that it only send a "Flash" RTP Event.

    Here is RTP part of sent IP frame:
    Code:
    80e5038900d4bc00f3bef1fe100a00a0
    In phone's web interface, for "DTMF over VoIP connections Send settings", both "RFC 2833" and "SIP Info" are activated and "Use the R key to initiate call transfer with the SIP Refer method" is set to "Yes".

  4. #24
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    You need to force the phone to not send "SIP Info", nor the "flash" in RTP (RFC 2833). Itr should send the SIP REFER only. Can you try to disable both "RFC 2833" and "SIP Info", to see what does it send in that case, when you press R key and dial a number to tranfser to?

  5. #25

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    When the three options "audio", "RFC 2833" and "SIP Info" are disabled, nothing appends when I press the "R" key during a call.

    Moreover, dial keys doesn't work when these options are disabled.

  6. #26
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    Well, we could do a lot of assumptions, but easier to call to their Customer Care hotline and ask if they have bug there and how/when they are going to fix that... For France I guess it should be here: http://gigaset.com/shc/0,1935,fr_fr_...rNrNrN,00.html.

    If the option tells "Use the R key to initiate call transfer with the SIP Refer method", and that option is set to "Yes", the phone just should send REFER. If it doesn't, they have to explain...

    Best regards,
    David

  7. #27

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    I also have the same problem.
    I have a quadro 2x and four gigaset A58H ip phones.
    I cant figure how to register the phones in the quadro 2x.


    Please help.

  8. #28
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    I don't think you have the same problem. The only problem with the Gigaset phones, is related to transfer only. The rest is working ok for anyone who posted here, including registration.

    What specific problem do you have with registration? What values did you enter on Quadro and on Gigaset to register?

  9. #29

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    Hi,

    I read all the pots because i have the same problem... impossible to forward. But i saw that e firmware update (c470 IP) add two new item on the web configurator "Direct transfert" and "supervisor transfert".

    I'm not a specialist, i try some différent configuration but without succes... too much settings.
    Anyone succeed to forward a voip call ?
    Please, help me to choose the rights settings below :
    DTMF over VoIP connections

    Send settings: [Check Box] Auto [Check Box]Audio [Check Box] RFC 2833 [Check Box] SIP Info

    Note : When using G.722-Codecs (wide-band connection) DTMF Signals cannot be transmitted over audio.
    Call Transfer

    Use the R key to initiate call transfer with the SIP Refer method.: [Check Box]Yes [Check Box] No

    Transfer Call by On-Hook: [Check Box]Yes [Check Box] No
    Derive target address: [Check Box]from SIP URL [Check Box]from SIP contact header
    Find target addr. automatically: [Check Box]Yes [Check Box] No
    Hold on transfer target:
    [Check Box]For attended transfer
    [Check Box]For unattended transfer

    Note : Hook Flash (R-key) R key settings are disabled because the R key is being used for call transfer.




    Anyone succeed to forward a voip call ?

  10. #30
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    Eric, I don't have that Siemens Gigaset phone to play with, so I cannot tell you how to make it work. Hopefully someone has managed to configure it correctly, and will reply to you.

    But I can tell you the right values (the ones which should be the best to use with the Quadro) for some of the options you asked:

    DTMF over VoIP connections
    Send settings: RFC 2833

    Call Transfer
    Use the R key to initiate call transfer with the SIP Refer method.: Yes
    Transfer Call by On-Hook: this is up to you. This defines whether you want the call to be dropped or transferred, when you put down the handset, while having one holded and one active call.
    Derive target address: from SIP URL
    Find target addr. automatically: ? (see help for this device)
    Hold on transfer target: ?

    Best regards,
    David

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