How much overhead is used to send the message “K” back to an SMS?
Tag Archives: SMS
MMS Deep Dive – MM1 – Mobile Terminated MMS
Second part in our MMS series, in this one we look at Mobile Terminated MMS.
Sending SMS with an alphanumeric String as the Source
If you’ve ever received an SMS from your operator, and the sender was the Operator name for example, you may be left wondering how it’s done. In IMS you’d think this could be quite simple – You’d set the From header to be the name rather than the MSISDN, but for most SMSoIP deployments, the … Continue reading Sending SMS with an alphanumeric String as the Source
The Surprisingly Complicated World of SMS: Apple iPhone MT SMS
Quirks and gotchas of working with SMS on IMS on iPhones.
The Surprisingly Complicated World of SMS: Special Characters
A look at how characters are encoded in an SMS.
The Surprisingly Complicated World of SMS: Concatenated / Multipart SMS
Another deep dive into deceptively simple seeming functions to do with SMS.
SMS in 5GC
The first SMS was sent in 1993, and all these years later as 5G rolls out, we’re still supporting it.
The Surprisingly Complicated world of MO SMS in IMS/VoLTE
Short messaging can be anything but simple…
Sending SMS in Open5GS LTE Networks using the SGs Interface and OsmoMSC with SMSoS
Sending SMS over LTE using OsmoMSC and OsmoHLR and the SGs interface for SMSoS
OsmoMSC and Open5GS MME – SGs Interface for InterRAT Handover & SMS
Looking into the SGi interface for Circuit Switched Fallback in LTE to use GSM/UMTS networks for Calls & SMS
SMS Security – Banks
The other day I got an SMS from my bank, one of the big 4 Australian Banks. BANKNAME Alert: Block placed on card ending in XXXX, for suspicious transaction at ‘THING NICK PURCHASED ONLINE’ for $29.00 at 13:56. If genuine, reply ‘Yes’. If Fraud, reply ‘No’. SMS from bank They’d detected possible fraud on my … Continue reading SMS Security – Banks
Random Posts on
Australia’s fake Phone Numbers
Ansible for Scaling and Deployment of Evolved Packet Core NEs
NBN FTTN Nodes in Disguise
SIM Card Sniffing with Wireshark
IMTx: NET02x (4G Network Essentials) – Mobility Management – 4. Changing MME and SGW
The case for Header Compression in VoIP/VoLTE
Kamailio 101 – Part 9 – Adding Carrier Links
FreeSWITCH, Kamailio & IMS Extensions
Load Testing with SIPp
