<DIV>I have also noticed this problem when calling from X-lite to a Cisco gateway. I have already reported this bug to Xten support and I'm waiting for their reply.</DIV>
<DIV> </DIV>
<DIV>Chuck</DIV>
<DIV><BR><BR><B><I>- zaki - <zaki@edge.jp></I></B> wrote:
<BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid"><BR>Hi,<BR><BR>It's cause of bug of endpoint devices.<BR>According to RFC3261, CANCEL MUST NOT include tag in To header field<BR>if original INVITE(the request to be cancelled) does not have tag in To.<BR>Then, CISCO media gateway reject to handle the CANCEL packets which<BR>has tag parameter in To header field.<BR><BR>Regards,<BR><BR>> <BR>> Hi,<BR>> <BR>> I'm using ser-0.8.12 for SIP proxy and CISCO2651XM(12.2(11)T8) as<BR>> media gateway for PSTN.<BR>> <BR>> When any subscriber call to PSTN via CISCO media gateway, CISCO<BR>> returns "SIP/2.0 183 Session Progress", and if caller hang up<BR>> before called party in PSTN pick up a call, CISCO send a packet of<BR>> "SIP/2.0 481 Call Leg/Transaction Does Not Exist" and call between<BR>> CISCO and PSTN called party is not hung up.<BR>> (Called party phone continue ringing)<BR>> <BR>> (I consider
that transaction before caller party pick up is not added<BR>> CISCO's transaction table.)<BR>> <BR>> Could anyone please let me know how to terminate a call between<BR>> CISCO media gateway and called party in PSTN?<BR>> <BR>> Regards,<BR>> <BR>> --<BR>> - zaki - YAMAZAKI Noriyuki, Director of EDGE Co., Ltd.<BR>> +81-3-5749-9621(Phone), +81-3-5749-9910(Fax), zaki@edge.jp<BR>> <BR>> <BR><BR>_______________________________________________<BR>Serusers mailing list<BR>serusers@lists.iptel.org<BR>http://lists.iptel.org/mailman/listinfo/serusers</BLOCKQUOTE></DIV><p><hr SIZE=1>
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