Service impacts to switch
SIP PH
SIP PH failure when SMP unavailable due to:
Cause Effect
GSM selective initialization
• inbound and outbound
messages discarded, and
• associations closed.
Cause Effect
GSM full initialization with or
without pump
Serving SIP PHs attempt to
shutdown all established
associations before being
initialized.
GQPH
GQPH failure when SMP unavailable due to:
Cause Effect
GSM selective initialization
• inbound messages discarded,
and
• outbound messages rerouted
to alternate GQPH; if no
alternate GQPH, messages
are discarded.
Note: The GQPHs are only on the non-DRM/VCDX.
Serving/Non-Serving
SIP PHs are configured as processor groups containing one or two SIP
PHs. For a processor group of two active SIP PHs, the GSM SMP
selects one SIP PH as serving and the other SIP PH as non-serving.
For a processor group of one active SIP PH, the GSM SMP selects
the single SIP PH as the serving SIP PH.
Hardware View
Architecture
....................................................................................................................................................................................................................................
2-30
Lucent Technologies 235-200-118
Issue 3.02B, March 2007
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