How does an administrator make a Cisco IP phone display the last 10 digits of the calling number when the call is in the connected state, and also display the calling number in the E.164 format within call history on the phone?
A.
Configure a translation pattern that has a Calling Party Transform Mask of XXXXXXXXXX.
B.
On the inbound SIP trunk, change Significant Digits to 10.
C.
Change the service parameter Apply Transformations On Remote Number to True.
D.
Configure a calling party transformation pattern that keeps only the last 10 digits.
D is the answer and here's why:
if your read scenario 2 on the below link, you will know it can only be D
https://blog.collabcert.com/ucm/understanding-the-5-uses-of-calling-party-transformation-pattern-in-ucm/
I think it is C.
If you choose D, then you are changing the caller ID that the phone will receive and will be stored in history. The question asks to modify the connected number, which means to modify the caller ID while both parties are talking. On other words, when the called party left the receiver, the phone screen should show 10-digits only. The call history should stay untouched.
Service parameter is doing this trick.
Answer is D
Translationpattern might work, but have to be triggered as called number equals directory number, not suitable
sip-trung can change digits on calling number
Calling Party Transformations on IP Phones
Calling Party Transformation Patterns allow the system to adapt the calling party numbers to different formats.
The most typical use is to adapt from globalized to localized calling party numbers and vice versa.
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab11/collab11/dialplan.html
I will go with C: below is captured from SRND 12:
"The outbound call’s calling party transformation CSS (also referred to as localization or remote number calling party transformation CSS) can also be used to localize remote connected party information.
To enable this, the advanced service parameter Apply Transformations On Remote Number must be enabled."
C. 'Apply Transformations On Remote Number' allows the display on phone to be shown as the transformed number when connected. That being said, transformation pattern is still needed as combination.
Answer D: On a phone in North America, Cisco Unified Communications Manager uses a calling party transformation to convert +12225551234 to 10 digits before the number displays on the phone; on a phone outside of North America, Cisco Unified Communications Manager may transform the number to only strip the + and to prefix the 00, as in 0012225551234.
Source: https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/10_0_1/ccmfeat/CUCM_BK_F3AC1C0F_00_cucm-features-services-guide-100/CUCM_BK_F3AC1C0F_00_cucm-features-services-guide-100_chapter_01010.html
the question is about a phone, if you change a service parameter, is a global configuration, right answer is D
upvoted 2 times
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