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Cisco BTS 10200 Softswitch Operations and Maintenance Guide, Release 6.0.x
OL-16000-07
Chapter 5 Managing External Resources
Learning External Resource Dependencies
Note If a call termination attempt is made on a termination for which gateway is unreachable, the termination
status will be updated as unreachable even if MGW keepalive is disabled.
Table 5-13 ISDN TGW/TG State Relationships
TGW State Allowed TG States Allowed Trunk States
INS
• OOS
• MAINT
• INS
• UEQP OOS
• UEQP OSS, MAINT
• UEQP OOS, MAINT, INS
MAINT
• OOS
• MAINT
• UEQP OOS
• UEQP OSS, MAINT
Table 5-14 Valid Normal Trunk Termination States
State/Token ADMIN-STATE OPER-STATE STATIC-STATE DYNAMIC-STATE
UNEQP UNEQP ANY UEQP IDLE
MANUALLY OOS OOS ANY LBLK IDLE
MANUALLY MAIN MAINT IDLE LBLK IDLE
IDLE INS IDLE ACTV IDLE
ACTIVE INCOMING INS IDLE ACTV IDLE
ACTIVE OUTGOING INS ACTIVE ACTV OBSY
TRANSIENT
INCOMING
INS ACTIVE ACTV IBY-TRNS
TRANSIENT
OUTGOING
INS BUSY ACTV OBSY-TRNS
Table 5-15 Returnable Operational States
State Definition
UNKNOWN
• The termination is not being audited for connectivity.
• Capabilities, termination, and connection are not being synchronized with
the termination.
• When KEEPALIVE-METHOD=NONE in MGW-PROFILE, the
termination status is UNKNOWN even if the transaction becomes
UNREACHABLE.
• Newly-provisioned terminations are in this state.
ACTIVE
• The termination is being audited for connectivity.
• Capabilities, termination, and connection are being synchronized with the
termination.