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sip trunk between callmanager 6 and sipxecs

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eksantrik

eksantrik

Technical User
Dec 13, 2005
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Guys,

I built a SIP trunk between a cisco callmanager 6 box and a sipxecs server in our lab.

When I call a phone that is registered to CUCM6 from a phone that is registered to sipxecs server, it works. However when I try to call a sipxecs phone from a phone that is registered to CUCM6, it does not work.

I captured a few packets. Initiation starts but at some point, the Sipxecs server sends back a 407 proxy authentication required message. CUCM6 send back an ACK and thats it...I get a fast busy on the cisco phone.

Any idea on how to disable this authentication request or configure Cisco side to work with authentication?

Thanks in advance,

(Cisco side is configured to use non-secure statndard sip profile.)
 
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