V7122 Gateway User Guide 223E1/T1 Configuration ParametersTable 45 E1/T1/J1 Configuration Parametersini File Field NameWeb Parameter Name Valid Range and DescriptionTDMBusType TP-260 only.Must be set to 2.PCMLawSelect[PCM Law Select]1 = A-law (defaut)3 = μ-LawUsually A-Law is used for E1 spans and μ-Law for T1 and J1 spans.ProtocolType[Protocol Type]Sets the PSTN protocol to be used for this trunk.E1_EURO_ISDN = 1T1_CAS = 2T1_RAW_CAS = 3T1_TRANSPARENT = 4E1_TRANSPARENT_31 = 5E1_TRANSPARENT_30 = 6E1_MFCR2 = 7E1_CAS_R2 = 8E1_RAW_CAS = 9T1_NI2_ISDN = 10T1_4ESS_ISDN = 11T1_5ESS_9_ISDN = 12T1_5ESS_10_ISDN = 13T1_DMS100_ISDN = 14J1_TRANSPARENT = 15T1_NTT_ISDN = 16 (Japan - Nippon Telegraph)E1_AUSTEL_ISDN = 17 (Australian Telecom)T1_HKT_ISDN = 18 (Hong Kong – HKT)E1_KOR_ISDN = 19 (Korean operator)T1_HKT_ISDN = 20 (Hong Kong - HKT over T1)E1_QSIG = 21T1_QSIG = 23E1_FRENCH_VN3_ISDN = 31T1_DMS100_Meridian = 35E1_NI2_ISDN = 40The gateway simultaneously supports different variants of CASand PRI protocols on different E1/T1 spans (no more than foursimultaneous PRI variants).ProtocolType_x[Protocol Type]Same as the description for parameter ‘ProtocolType’ for a specific trunk ID(x = 0 to 7).TraceLevel[Trace Level]Defines the trace level.Valid options include:0 = No trace (default)1= Full ISDN trace2 = Layer 3 ISDN trace3 = Only ISDN Q.931 messages trace4 = Layer 3 ISDN no duplication traceFramingMethod[Framing Method]Selects the framing method to be used for E1/T1 spans.For E10 = Multiframe with CRC4 (default, automatic mode, if CRC is identified in
