Exam 300-815 topic 1 question 97 discussion

Actual exam question from Cisco's 300-815

Question #: 97
Topic #: 1

DRAG DROP
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Drag and drop the commands from the bottom to the blanks in the code to implement a translation rule to allow only 11 digits to be received over a SIP trunk to a SIP provider. The Cisco UCM is currently sending calls to the Cisco Unified Border Element in E.164 format. Not all options are used.

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by MaxG at Aug. 18, 2023, 4:04 p.m.

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729edae

2 months, 2 weeks ago

voice translation-rule 1000 rule 1 /\+/ // ! voice translation-profile STRIP-PLUS translate CALLED 1000 How did this answer get SOOO wrong. You have to use the \ "backslash- slants leftward or backward" as an escape character before you can use a +. EVERY IOSXE/IOS out there will ding you for not doing this. Also....this is the number that is DIALED...not the number that did the DIALING. So its CALLED, not calling. And of course, the rule is referenced by the number 1000.

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timmyz

10 months, 3 weeks ago

straight out of my CUBE router... HQ-Cube-RTR#config t Enter configuration commands, one per line. End with CNTL/Z. HQ-Cube-RTR(config)#no voice translation-rule 1000 HQ-Cube-RTR(config)#voice translation-rule 1000 HQ-Cube-RTR(cfg-translation-rule)#rule 1 /\+/ // HQ-Cube-RTR(cfg-translation-rule)# HQ-Cube-RTR(cfg-translation-rule)#exit HQ-Cube-RTR(config)#exit HQ-Cube-RTR#test voice translation-rule 1000 +12105551234 Matched with rule 1 Original number: +12105551234 Translated number: 12105551234 Original number type: none Translated number type: none Original number plan: none Translated number plan: none "Rule 1 \/+/ //" you need the backslash to null out the + as a special character \ Escape the special meaning of the next character.

upvoted 4 times

timmyz

10 months, 3 weeks ago

Oh and "CALLED" because it is going out "towards" the ISP so it's the number the user "CALLED"

upvoted 2 times

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MaxG

1 year, 4 months ago

rule 1 /+/ // searches the dialed string for ‘+’ and changes it to null (i.e., removes it) Last line should be: translate called 1000 https://www.cisco.com/c/en/us/support/docs/voice/call-routing-dial-plans/64020-number-voice-translation-profiles.html#toc-hId-672735434

upvoted 1 times

john_doe_9999

12 months ago

Rule 1 should be "1 /\+/ //". You have to escape the + or the CUBE interprets it as regex. Tested this on my CUBE to sanity check.

upvoted 4 times

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