At least one telephone network element receives an attempt of a caller to place a telephone call to a callee. A telephone number for the call is registered in a telephone number mapping (ENUM) database to receive incoming telephone calls via a Voice over Internet Protocol (VoIP) network. The at least one telephone network element receives an indication of a preference of the caller to carry the telephone call via one of a public switched telephone network (PSTN) and a public land mobile network (PLMN), instead of via the VoIP network. Based on the preference, the method inhibits an ENUM query of the ENUM database for the telephone call and forwards the telephone call to a gateway to carry the telephone call to the callee via one of the PSTN and the PLMN instead of via the VoIP network.