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New Member

UC500 AA and Registered SIP Trunk

Hi Netpro,

I found AA/Voicemail does not coexist with a registered sip trunk on UC500. Does anyone else have this experience?

My config is as follows:


voice service voip

allow-connections h323 to h323

allow-connections h323 to sip

allow-connections sip to h323

allow-connections sip to sip

supplementary-service h450.12

no supplementary-service sip moved-temporarily

no supplementary-service sip refer


registrar server expires max 3600 min 3600

outbound-proxy ipv4:

no update-callerid



authentication username xxxxxxxxxxx password 7 xxxxxxxxxxx

no remote-party-id

retry invite 2

retry register 10

timers connect 100

registrar expires 3600




As soon as I remove the command 'outbound-proxy ipv4:', AA starts working.

With this command applied, 'Debug ccsip message' shows a 'Not found' messages from CUE.

Any guidance will be appreciated.

New Member

Re: UC500 AA and Registered SIP Trunk

I know most of your config is correct in accordance to how it works with CME / CUE. I would try this link, since UC500 is the equivalent.

New Member

Re: UC500 AA and Registered SIP Trunk

You also might try the "sip bind" config under your "voice service voip" config:

voice service voip


bind control source-interface (likely the interface that terminates the connection)

Here is a web link to the command set......might want to make sure your IOS supports it:

New Member

Re: UC500 AA and Registered SIP Trunk

Thanks a lot. It is really appreciated.

I have solved the problem. I missed one command under the dial-peer pointing to CUE:

voice-class sip outbound-proxy ipv4:

Thanks again for the links.

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