Plain-language definition
The SS7 application protocol for mobility and SMS.
Technical definition
MAP operations include UpdateLocation, SendAuthenticationInfo, SendRoutingInfoForSM, MO-ForwardSM, MT-ForwardSM, AlertServiceCentre and ReportSM-DeliveryStatus, carried over TCAP.
Why it matters
SMS firewalls, SMSCs and HLRs speak MAP; its versions (v1 to v3) determine feature support.
Last reviewed 2026-09-12 by the Guardivia QoS Engineering Team. Product facts on this page describe current capabilities; items marked “where supported”, “optional”, “integration” or “consultancy” are confirmed per deployment.