[Asterisk-Users] Anyway to pass CIC in sip header

[Kevin Hanson]

Dinesh Nair wrote:
>
> On 02/17/06 08:51 BJ Weschke said the following:
>> On 2/15/06, Kevin Hanson <tuxpert at comcast.net> wrote:
>>
>>> I am using an Asterisk box as a mini-softswitch and have run into a
>>> minor (hopefully) road block.  The far end switch requires CIC (Carrier
>>> Identification Code) in the SIP invite like:
>>>
>>> INVITE sip:+18001234567;cic=+16789 at hostname.com;user=phone SIP/2.0
>>>                        ^^^^^^^^^^^^^^^^^^^^^^^
>>>
>>> Is there a way to configure Asterisk to send this in the SIP invite?
>>>
>>> Any help would be *greatly* appreciated.
>>>
>>
>>
>>  Not w/o a code change, but if you're game to do that, you certainly
>> could do it.
>
> just curious, but is the cic tag added to the INVITE method a valid 
> recommendation under the SIP RFCs ?
>
I think there are some carrier grade extensions to the protocol, but not 
sure if they are in any RFC's.  For instance, Nortel's CS2000 Switch 
uses the cic to interface with translation tables.

Cheers,
Kevin