Inline... > 1. How to check if our registration stills valid on registrar ?? (to let other clients to not see the "Not found" message when calling us) There is no reason for a registration not to be valid. Can you explain the use case/scenario where you need that? > 2. How to check if this TCP connection is still alive ?? (If this connection is broken, server will not be able to send us INVITE) TCP keepalives (as per rfc5626) are used for this. I think they are enabled by default in pjsip: http://www.pjsip.org/pjsip/docs/html/structpjsua__acc__config.htm#a98722b6464d16b5a76aec81f2d2a0694 > > -- > Khoa Pham > HCMC University of Science > Faculty of Information Technology > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip at lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org ________________________________ Este mensaje se dirige exclusivamente a su destinatario. Puede consultar nuestra pol?tica de env?o y recepci?n de correo electr?nico en el enlace situado m?s abajo. This message is intended exclusively for its addressee. We only send and receive email on the basis of the terms set out at: http://www.tid.es/ES/PAGINAS/disclaimer.aspx
