Re: ussd protocol stack in kannel

Stipe Tolj wrote:
> Bambang Sadikin schrieb:
>> dear All :
>>  
>> has anyone put or starting to put ussd protocol stack in kannel 
>> software systems ?
>
> the USSD subystem as defined by GSM 03.90 spec is "beyond" the IP 
> layer on which Kannel interacts with the SMSCs of a network. In fact 
> USSD is more related to the MAP/TCAP signaling layer (ss7), then on 
> the pure SMSC inter-connection.
>
> Some protocols, i.e. SMPP v3.4 allow connecting to USSD gateways (or 
> other network elements) that provide a SMPP interface to the USSD 
> string exchange. But this depends on the capabilities of the SMPP server.
>
> There is no standardized IP based protocol to use for USSD gateway 
> connectivity. So most USSD gateway vendors use their own protocol, or 
> try to use a well-known, like XML over HTTP (SOAP) or SMPP.
>
> Stipe
   TLV_OCTETS(its_session_info, 2, 2) in PDU submit_sm can provide to 
hold USSD session


-- 
 
Best regards,
Yury Mikhienko.
Mobicom-Kavkaz CJSC
mob: +7 (928) 2010199
tel: +7 (863) 2704299
HiCom: 3823