This is the record route issue he is facing and this is a known bug on cisco phones and will remain broken as long as sipx uses record routes to preserve states. I suggest you put cisco behind an SBC. See http://www.ossapp.com for a free one.

On 08/02/2012 09:09 AM, Tony Graziano wrote:

Is this a fully updated/patched 4.4 system?

On Aug 1, 2012 1:19 PM, "Noah Mehl" <n...@tritonlimited.com <mailto:n...@tritonlimited.com>> wrote:

    Sorry,

    Let me expand.

    Call flow:

    1. Call comes in from external number (quintum connected to PRI)
    to extension 1717 (Cisco 7940)
    2. I answer the call on 1717 (This works great)
    3. I press transfer soft key on 1717, then dial 84001, then I hear
    the voicemail recording of 84001 (At this point there are two
    lines going on the phone), then I press the transfer soft key
    again (Phone displays "transfer failed") - I think that's when I
    get the 400 - Bad Record-Route

    Description:

    All attended transfers from Cisco 7940 fails.  The attached pcap
    is a transfer to voicemail, but it fails to other extensions, and
    to external numbers.

    I thought that "Semi Attended Transfer" has to do with being able
    to transfer while the call is ringing?  I disabled that feature on
    the phone, and the "transfr" soft key is still there.

    I believe that I'm up to date: 4.4.0-418.gaac6d8

    ~Noah

    On Aug 1, 2012, at 12:24 PM, Tony Graziano wrote:

    explain the call flow.

    the call comes in, is answered and then you try a semi attended
    transfer to destination 84001 (assume 8=voicemail for user
    4001?). Is your 4.4 install up to date?

    is your description of the call:

    attended transfers to voicemail fail using cisco phone? or
    something else?

    On Wed, Aug 1, 2012 at 12:11 PM, Noah Mehl
    <n...@tritonlimited.com <mailto:n...@tritonlimited.com>> wrote:

        I have a sipxecs 4.4 install with Cisco 7940's.  Blind
        Transfer is working, but Consultative Transfer is not.
         Attached is a zip of a pcap of the exchange.  One thing to
        note, I have added "192.168.2.25" as an alias for the domain,
        as this was required to get the 7940's working in the first
        place.  Any help would be appreciated.  Thanks.

        ~Noah


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