Section: 9.3.20 Retrieve
Content: This message is sent by the mobile user to request the retrieval of a held call. See table 9.69b/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ]  for the content of the RETRIEVE message. For the use of this message, see 3GPP TS 24.010[ Mobile radio interface  layer 3; Supplementary services specification; General aspects ]  [21]. Message type: RETRIEVE Significance: local Direction: mobile station to network Table 9.69b/3GPP TS 24.008[ Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 ] : RETRIEVE message content