2025 QUESTIONS AND ANSWERS
True/false: calling- and called-party global transformations are applied to outbound calls -
ANS not totally true. They are applied to outbound call legs in general
What's a fully qualified PSTN number? - ANS a E.164-format phone number.
a E.164-format phone number. - ANS predot, nodigits.
what does DDI stand for? - ANS Discard Digit Instruction
What's a globalized number? - ANS a number that contains international codes in it.
Where are significant digits configured? - ANS on Device->Gateway CUCM page, under "Call
Routing Information - Inbound Calls"
True/false: Significant digits are procecced on the voice gateway. - ANS false. They are
processed on CUCM.
give CUCM valid number types. - ANS subscriber (sub), national (ntl), international (intl)
Difference between Translation Pattern and Route Pattern? - ANS Translation Pattern leads
to a new iteration of the call routing process, while Route Pattern does not.
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, what's the difference between Translation Pattern and Translation Profile? - ANS Translation
Pattern is a digit manipulation technique on CUCM. Translation Profile is a digit manipulation
technique on IOS gateway.
What's the difference between configuring digit manipulation at the Route Pattern level vs at
the Route Group level? - ANS AT the RP level: CDR will record the new modified number, and
the caller ip phone will display the modified number.
true/false:EPNM is not a DN attribute - ANS false
true/false:EPNM can be configured at the line level of the DN - ANS true
Where can the EPNM be configured? - ANS at the RP, the Hunt Pilot, the TP and the line
Give one basic usage of the EPNM - ANS to expand the calling party to its full DID number
true/false: a TP has a route option field like RP: the pattern can be routed or blocked -
ANS true
Give examples of uses of TP - ANS - the PSTN DID range does not match the internal dial
plan: a called party transformation mask is defined
- a PLAR configuration for lobby or elevator phones
define PSTN DID range - ANS the block of routable PSTN numbers that is bought by the
company from the PSTN provider
a TP leads to an iteration of the call routing table. What is the maximum number of iteration
that is allowed by default, to avoid routing loops? - ANS 10
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