[OpenSIPS-Users] sip-i ?

[James Sharp]

I’m working on adding proper ANSI ISUP support to opensips. 

Sent from my iPhone

> On Mar 26, 2019, at 10:18 AM, Vlad Patrascu <vladp at opensips.org> wrote:
> 
> Hi Sean,
> 
> You can set a custom value for any ISUP parameter that appears in the specification. In your case, you can do:
> 
> $isup_param(User Service Information) = "0x8090A2"
> 
> Regards,
> 
> Vlad Patrascu
> OpenSIPS Developer
> http://www.opensips-solutions.com
> 
>> On 03/26/2019 04:22 PM, Sean Watkins wrote:
>> Hi Bogan
>> 
>> I got some more success yesterday with it --  I'll post my configs
>> after, for a SIP-I to SIP gateway.
>> 
>> Where I'm stuck now - there seems to be some differences between ANSI
>> + ITU. I've got the invite coming into Opensips, then I'm successfully
>> adding the SDP info for ISUP. (Whomever came up with this... crazy!)
>> 
>> The far end carrier always drops the calls 483 Incomplete address.
>> 
>> Working with the vendor the carrier, they suspect its in the User
>> service information -
>> 
>> They want something like this:
>>                     User Service Information
>>                         Mandatory Parameter: User service information (29)
>>                         Pointer to Parameter: 3
>>                         Parameter Length: 3
>>                         User service information (-> Q.931
>> Bearer_capability): 8090a2
>>                         1... .... = Extension indicator: last octet
>>                         .00. .... = Coding standard: ITU-T
>> standardized coding (0x0)
>>                         ...0 0000 = Information transfer capability:
>> Speech (0x00)
>>                         1... .... = Extension indicator: last octet
>>                         .00. .... = Transfer mode: Circuit mode (0x0)
>>                         ...1 0000 = Information transfer rate: 64 kbit/s (0x10)
>>                         1... .... = Extension indicator: last octet
>>                         .01. .... = Layer identification: Layer 1
>> identifier (0x1)
>>                         ...0 0010 = User information layer 1 protocol:
>> Recommendation G.711 u-law (0x02)
>> 
>> 
>> Is there any way to customize this in OpenSIPS?
>> 
>> Sean
>> 
>> Sean
>> 
>> 
>> 
>>> On Tue, Mar 26, 2019 at 1:28 AM Bogdan-Andrei Iancu <bogdan at opensips.org> wrote:
>>> Hi Sean,
>>> 
>>> Where have you got stuck ?
>>> 
>>> Regards,
>>> 
>>> Bogdan-Andrei Iancu
>>> 
>>> OpenSIPS Founder and Developer
>>>    https://www.opensips-solutions.com
>>> OpenSIPS Summit 2019
>>>    https://www.opensips.org/events/Summit-2019Amsterdam/
>>> 
>>>> On 03/22/2019 10:47 PM, Sean Watkins wrote:
>>>> Hi
>>>> 
>>>> Are there any SIP-I experts on here that are willing todo some consulting?
>>>> 
>>>> I need to get a SIP-I to SIP gateway working... I've got partial call
>>>> connectivity working, but I don't seem to know what I'm doing..
>>>> 
>>>> Don't get all the ins and outs of reply etc..
>>>> 
>>>> Sean
>>>> 
>>>> _______________________________________________
>>>> Users mailing list
>>>> Users at lists.opensips.org
>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>> 
>> --
>> --
>> Sean Watkins
>> 403-629-6152
>> 
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> 
> 
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