[cisco-voip] SIP-Trunk with To-Header

Wes Sisk wsisk at cisco.com
Tue Mar 16 13:51:23 EDT 2010


"Normalization for SIP Trunks" is not yet in CUCM.

/Wes

On Tuesday, March 16, 2010 12:21:17 PM, Nick Matthews 
<matthnick at gmail.com> wrote:
> If there was a CUBE involved you can use TCL scripts.  I can't speak
> for the capabilities of CUCM in the direct case, but this is one of
> the reasons you would put a CUBE between your CUCM and SIP trunk.
>
> -nick
>
> On Tue, Mar 16, 2010 at 4:08 AM, Jefflin Choi <jefflin.choi at gmail.com> wrote:
>   
>> It seems like the SBC has the capability to re-edit therequest-URI so
>> my problem is solved. Anyway, i still want to know if this is possible
>> in case i encounter similar scenario on future implementation where
>> sip provider still uses TO - field.
>>
>> Thanks in advance.
>>
>>
>> On Tue, Mar 16, 2010 at 4:07 PM, Jefflin Choi <jefflin.choi at gmail.com> wrote:
>>     
>>> Hi,
>>>
>>> Cisco seems to use Request-URI for incoming calls. Our SIP providers
>>> seems to use to-field.
>>>
>>> From  logs, it seems the request-URI and To field that provider is
>>> sending are different. Provider is claiming that they can't edit the
>>> request-uri field. I am still asking them to doublecheck.
>>>
>>> I know that they are not conforming with rfc3261 .. " The initial
>>> Request-URI of the message SHOULD be set to the value of the URI in
>>> the To field."
>>>
>>> Anyhow, just would like to ask if the CCM7 has a way to use the
>>> to-field instead of request-URI.
>>>
>>> Thanks,
>>> Jeff
>>>
>>>       
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>>     
>
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