3Com VCX V7122 SIP, User Manual

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3Com VCX V7122/SIP VoIP Gateway User Manual
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Table 17
VCX V7122/SIP E1/T1/J1 Configuration Parameters
INI File Field Name
GUI Parameter Name
*
Valid Range and Description
TerminationSide
(Trunk Settings>ISDN
Termination Side)
0 = ISDN User Termination Side (default)
1 = ISDN Network Termination Side
Selects the ISDN termination side. Applicable only for ISDN
protocols.
TerminationSide_x
(ISDN Termination Side)
Same as TerminationSide for specific Trunk ID (x = 0 – 7).
ClockMaster
(Trunk Settings>Clock Master)
0 = Recover clock from the E1/T1 line (default)
1 = The clock is generated by the Gateway
See “ Appendix E: VCX V7122 Clock Settings ” for extended details of
how to configure the Gateway’s clock settings.
ClockMaster_x
(Clock Master)
Same as ClockMaster for specific Trunk ID (x = 0 – 7).
TDMBusClockSource
(TDMBusSettings>TDM Bus
Clock Source)
1 = Generate clock from local source
4 = Recover clock from PSTN line (default)
See “ Appendix E: VCX V7122 Clock Settings ” for extended details of
how to configure the Gateway’s clock settings.
TDMBusPSTNAutoClockEnable
(TDMBusSettings>TDM Bus
PSTN Auto Clock)
0 = Recover the clock from first E1/T1 line (default)
1 = Recover the clock from any connected E1/T1 line
This parameter is relevant only if TDMBusClockSource = 4.
TDMBusLocalReference
(TDMBusSettings>TDM Bus
Local reference)
0 – 7 (default = 0)
Physical Trunk ID from which the Gateway recovers its clock.
Applicable only if TDMBusClockSource = 4 and
PSTNAutoClockEnable = 0.
LineCode
(Trunk Settings>Line Code)
0 = use B8ZS line code (for T1 trunks only) default
1 = use AMI line code
2 = use HDB3 line code (for E1 trunks only)
Use to select B8ZS or AMI for T1 spans, and HDB3 or AMI for E1
spans.
LineCode_x
(Line Code)
Same as LineCode for a specific Trunk ID (x = 0 – 7).