Sistema VOS3000 sesion SIP: configure retransmision backoff exponencial SS_SIP_RESEND_INTERVAL, timer refresh SESSION_UPDATE_SEGMENT, early hangup zombie calls, no-timer safety net y PRACK 100rel para llamadas confiables.
colgado temprano llamadas / early hangup zombie / llamadas zombie SIP / no timer safety net / PRACK 100rel / PRACK RFC 3262 / re-INVITE session refresh / respuestas provisionales confiables / retransmision SIP backoff / sesion SIP VOS3000 / session refresh timer / session timer RFC 4028 / SIP early media / SIP publish expire / SIP reliability VOS3000 / SIP retransmision exponencial / SIP retransmission VoIP / SIP session timeout / SIP session timer / sistema VOS3000 sesion SIP / SS_SIP_NO_TIMER_REINVITE_INTERVAL / SS_SIP_PUBLISH_EXPIRE / SS_SIP_RESEND_INTERVAL / SS_SIP_SESSION_TIMEOUT_EARLY_HANGUP / SS_SIP_SESSION_UPDATE_SEGMENT / VOS3000 sesion parametros / VOS3000 SIP session config / VOS3000` / vos3000-feeds / zombie calls cleanup
