Overview A message was sent from an MSISDN that is in the blacklist contact group of the subscriber in the CCI and it did not get blocked. There is also an MTOX rule configured for the service. Solu...
Overview You may find that there are no backup files for AGW servers on a site, although they exist on another site. Solution Perform the following steps to check if you can have the issue solved: C...
Overview The interconnection CDR count is not matching between operators. The revenue assurance area may have noticed a difference in CDRs count between what is collected and what is reported as daily...
Overview HSS-link is down and SMS MT in VoLTE network for Home Routed non-Ultracard Traffic (Incoming messages via MTI-Rule) from foreign networks is not being delivered. Non-ultracard messages are be...
Overview On Friday, March 26 at 02:00 the local time jumps one hour ahead to 03:00 and the system clock is updated accordingly. You would then expect not to have any billing records in which the SUBMI...
Overview You may face a high rate of SUB busy error with another operator's home-routed MT-MT SMS traffic, which may be reporting subscriber busy responses from your side. Information The incoming SRI...
Overview Learn the steps to investigate why a high rate of subscriber busy error may be happening when another operator's home-routed MT-MT SMS traffic is delivered through different RTRs. The MT mess...
Overview You may have noticed some alarms related to an STP node being down. The problem occurs when /var reaches 100% on disk space. On syslog, you may find these two errors: Audit daemon is low on d...
Overview Some SMS sent ended with an Invalid validity time error, while the rest of the SMS were delivered successfully with the same VP (Validity Period), e.g. VP at 50 sec. You would like to know wh...
Overview You may be deploying a new SS7 signaling firewall system (S7FW) to perform signaling detection and protection, and reframing their SS7/Diameter signaling network. Due to this change, you need...