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...
Overview You may need the values for some SCTP parameters (e.g., RTOA, RTOB, PFMR), considering all NewNet servers for all sites. Information Please create a support ticket and include: End customer...
Overview When analyzing P2P traces from an MNO towards another local operator (B-Party) you observe that all SRI-SM response from this operator is returned with IMSI and LMSI and your SMSC terminates ...
Overview You may have a delta filter with the following configuration: Recv Sent Percent = 50% Message Limit = 15 Based on that, you perform the following test: you send 15 messages to different recip...
Overview You may have a spread filter with the following configuration: Message Limit = 15 Recipient Limit = 3 Based on that, you perform the following test: you send 6 messages using the same origina...
Overview You may have a bulk filter with the following configuration: Threshold = 20 Window Size = 3 Based on that, you perform the following test: you send four messages in less than 20 seconds using...
Overview You notice that AO-MT messages with reverse charging do not query OCS, resulting in no charges. The following symptoms may be present: Diameter error 4001 is issued by SMSC. SMSR-DB is checke...