Applicable Hardware And Adjuncts; Conditions That Trigger Link Recovery; Link Recovery Processes - Avaya G250 Maintenance Manual

Feature interactions and compatibility
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Network Fragmentation and Auto Fallback
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- Auto Fallback
- Manual recovery from a fragmented network

Applicable hardware and adjuncts

Link Recovery is compatible with:
Avaya Communication Manager Release 2.0 and higher
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Avaya S8300/S8500/S8700/S8710 Media Server with Avaya G250/G350 Media Gateway
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and Avaya media modules and all applicable endpoints
Note:
The software and firmware versions on the MGC and the G250/G350 must
Note:
match. If they do not match, the intent of Link Recovery is circumvented because
the gateway resets (drops calls) as soon as the link loss is detected.

Conditions that trigger link recovery

Link Recovery begins with detection of either:
A TCP socket failure on the H.248 link
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or
Loss of the H.248 link within 40-60 seconds
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Link recovery processes

This section describes the Link Recovery scenarios and the concurrent call handling and
maintenance activities:
General link recovery process
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Call handling during recovery
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Maintenance during recovery
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Link recovery unsuccessful
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System resets
Issue 1.1 June 2005 67