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6.2 Important Gateway Trace Masks
These keys are helpful during all troubleshooting scenarios and should be considered keys to
activate by default for all troubleshooting cases.
• voip prot and voip code – this allows the collection of all SIP-related messages as
they are sent from and received by the gateway. This data is important in cases where
you feel that the gateway is not able to communicate properly with the messaging server.
• tel event and tel code – This allows the collection of all circuit-side activity of the
emulated station set such as display updates, key presses, light transitions and hook
state changes. This data is very important in the following scenarios:
o Call control problems (dropped calls, failing transfers, etc…)
o Integration problems (incorrect mailbox placement, missed auto-attendant
greetings etc…)
• teldrv prot – This allows the collection of all ISDN messages both transmitted and
received on the gateways front-end interface. This data is very important in the following
scenarios:
o Call control problems (dropped calls, failing transfers, etc…)
o Integration problems (incorrect mailbox placement, missed auto-attendant
greetings etc…)
• RouteTable (all keys) – This allows you to look inside the routing table engine
and see how matching rules and CPID manipulation rules work with respect to your call.
This data is very important in the following scenarios:
o Call routing problem (reaching the incorrect IBM Lotus Sametime Unified
Telephony client or no client at all, etc…)
NOTE: Turning on all traces is not recommended. Doing this floods the debug stream with
significant amounts of information that can cause delays in determining the root cause of a
problem.
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