Environment
Cellular technology: applicable to all
Onomondo Core Network
SMS
Question
Does Onomondo SIM support SMS over SGs (Signaling Gateway) or NAS (Non-Access Stratum)?
Answer
No. Onomondo does not support SMS transmission over SGs or NAS protocols.
SMS is only supported over IP via our standard channels.
The SMS is handled by the circuit-switched domain (GSM MAP). In this case:
The SMS is handled by the local operator's MSC (Mobile Switching Center).
Delivery is completed via Onomondo’s SMSC (Short Message Service Center).