You might try Asterisk 1.8 beta to see if it fixes the issue. They've fixed a lot of stuff from what I hear.

On 07/31/2010 10:29 PM, Rene Pankratz wrote:
That sounds really bad. Freeswitch has been my 2nd choice a gateway...
I really liked the idea of combining the interoperability of Asterisk with SIP-Providers with all those great features of sipX as local PBX.

René


2010/7/26 Josh Patten <[email protected] <mailto:[email protected]>>

    It's not an Asterisk configuration problem, it's an Asterisk
    problem (I've experienced this before as well). FreeSWITCH has the
    same issue currently. I'd report this to Digium but don't expect
    it to get fixed.

    Josh Patten
    Assistant Network Administrator
    Brazos County IT Dept.
    (979) 361-4676


    On 7/26/2010 12:54 PM, Rene Pankratz wrote:
    Hello list members,
    we have successfully connected an asterisk as a gateway to our
    sipx installation. This gateway is only used for outbound calls
    and everything seems to be working fine.

    The only problem we figured out is the attended transfer While
    blind transfer works without any problems the attended transfer
    does not work. Asterisk sends a "SIP/2.0 481 Call leg/transaction
    does not exist" notification to the REFER message of my polycom
    telephone. With snom i have exactly the same behaviour.

    I know that this might be a problem with the asterisk
    configuration, but mayber someone on the list already configured
    something like this.

    I attached a pcap file of the transfer.

    Here is my peer configuration in the sip.conf of asterisk:

    ---------------------------
    [voip_block]
    type=peer
    fromdomain=voip.ikt-bs.de <http://voip.ikt-bs.de>
    host=141.41.40.232
    context=default

    [authentication]
    auth=999:[email protected]
    <mailto:999%[email protected]>
    ----------------------------


-- -------------------------------------------------------------------
    Dipl.-Ing. (FH) René Pankratz

    IANT- APPLIED NGN-TECHNOLOGIES

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--
-------------------------------------------------------------------
Dipl.-Ing. (FH) René Pankratz

IANT- APPLIED NGN-TECHNOLOGIES

Schlüsselfertige VoIP-Lösungen und mehr...

IANT GmbH
Salzdahlumer Straße 46/48
D-38302 Wolfenbüttel
Fon: +49/(0)5331/ 900989-450
Fax: +49/(0)5331/ 900989-499
Internet: www.iant.de <http://www.iant.de>

Ust.-IdNr: DE264352710
HRB 201710, Amtsgericht Braunschweig
Geschäftsführer: Prof. Dr.-Ing. Diederich Wermser, Dipl.-Ing. Jan Schumacher

IANT is Member of GROUPLINK
www.grouplink.de <http://www.grouplink.de>

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