IMHO, and in the sake of a reliable and configurable SS7 stack, I think the user should know the protocol (at least basically) to understand which is denied of allowed in the protocol. This bring to my memory the issues with NAI in PRI... the people set NAI as Unknown, because they don't even know that in several countries National or international NAI must be marked for proper routing. As SS7 is a very complex protocol that needs full attention to the particular scenarios, the operator has the responsibility for the proper use of the protocol itself, not to mention the disaster in the network that an operator can make if he mess with MTP3 messages.
Salu2 Gustavo On 6 May 2010, at 19:30, Horacio J. Peña wrote: > Thanks for the answer! > > Should the asterisk user be aware of each protocol intricacies? Shouldn't > it be the channel task to send the needed messages? Conversely, should > the user be able to make asterisk to do things not allowed by the > protocols? > > Saludos! > H > > On Thu, May 06, 2010 at 11:18:56PM +0000, gustavomars...@gmail.com wrote: >> Is not legal to send an ANM without ACM. You can send a CON instead of ANM. >> Try to put a Proceeding() in the dial plan. >> >> >> Sent via BlackBerry by AT&T >> >> -----Original Message----- >> From: Horacio J. Peña <hor...@compendium.com.ar> >> Date: Thu, 6 May 2010 20:03:43 >> To: <asterisk-ss7@lists.digium.com> >> Subject: [asterisk-ss7] ANM without ACM >> >> Hola! >> >> I'm playing with libss7 and found that if I make a dialplan like: >> >> exten => 08231451010,1,Answer >> ... >> >> the result is: >> >> 105 12.024960 2146 -> 639 ISUP(ITU) IAM (CIC 2) >> 107 12.028962 639 -> 2146 ISUP(ITU) ANM (CIC 2) >> 109 12.065962 2146 -> 639 ISUP(ITU) RSC (CIC 2) >> 111 12.068958 639 -> 2146 ISUP(ITU) RLC (CIC 2) >> 113 12.103963 2146 -> 639 ISUP(ITU) RSC (CIC 54) >> >> It seems that the switch I'm connecting to doesn't accept ANM without a >> previous ACM. Who is wrong? asterisk (libss7) sending ANM directly or >> the other switch not allowing that? >> >> Thanks! >> -- >> Horacio J. Peña >> hor...@compendium.com.ar >> hor...@uninet.edu >> >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-ss7 mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 >> -- >> _____________________________________________________________________ >> -- Bandwidth and Colocation Provided by http://www.api-digital.com -- >> >> asterisk-ss7 mailing list >> To UNSUBSCRIBE or update options visit: >> http://lists.digium.com/mailman/listinfo/asterisk-ss7 > > -- > Horacio J. Peña > hor...@compendium.com.ar > hor...@uninet.edu -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- asterisk-ss7 mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-ss7
