1. Whether PRACK needs to be sent depends on attribute "100rel required" in 18x.
2. SDP rtpmap 18 is G.729. Zuñiga, Guillermo <[email protected]> 於 2014年4月25日星期五 寫道： > > > > > Hi fellows, > > > > I am having the following issue with a peer carriers conected to my GW. > > The scenario is the following, a call with a Invite which header 100rel, > then the carrier response with 183 session progress and 180 Ringing, > > I was reading the RFC3262 and I am not pretty sure of the following: > > 1-Is strictly necesary that GW send a PRACK messages of the 180, before > send any other messages in this case a UPDATE? > > 2- Could be that our GW is sending this UPDATE messages cause the peer is > sending us in the 183 SDP Media Attibute information the Media Format value > = 18 like [Unknown]? > > > > > > > > > Attach files with info. > > > > Regards, > > > > *Guillermo L. Zuniga C.* > > Support Engineer & VoIP Specialist | > e-mail:[email protected]<javascript:_e(%7B%7D,'cvml','e-mail:[email protected]');> > > Fix Phone: +5078307365 | MSN IM: > [email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');> > > Mobile: +507 66700481 > > *www.cwpanama.com* <http://www.cwpanama.com/> > > > > > > Guillermo ZunigaEspecialista de Soporte TécnicoGerencia de Soporte Técnico > > Tel:+507 263-6671Cel:+507 6670-0481 Fax:+507 265-3295Email: > [email protected]<javascript:_e(%7B%7D,'cvml','[email protected]');> > > <http://www.cwpanama.com> > > <http://www.cwpanama.com> > > > > <http://www.facebook.com/masmovilpanama> > > <http://www.cwpanama.com> > > <http://bit.ly/MasMovil> > > <http://www.facebook.com/masmovilpanama> > > <http://www.facebook.com/masmovilpanama> > > > Disclaimer: > El contenido de este correo es confidencial y puede ser objeto de acciones > legales. Es dirigido solo para el o los destinatarios(s) nombrados > anteriormente. Si no es mencionado como destinatario, no debe leer, copiar, > revelar, reenviar o utilizar el contenido de este mensaje. Si ha recibido > este correo por error, por favor notifique al remitente y proceda a borrar > el mensaje y archivos adjuntos sin conservar copias. > The information contained in this e-mail is confidential and may also be > subject to legal privilege. It is intended only for the recipient(s) named > above. If you are not named as a recipient, you must not read, copy, > disclose, forward or otherwise use the information contained in this email. > If you have received this e-mail in error, please notify the sender > immediately by reply e-mail and delete the message and any attachments > without retaining any copies. > >
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