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A customer routes PSTN calls to ITSP through a SIP trunk on Cisco UCM that forwards and receives calls to and from ITSP. ITSP is set to send an E.164 number when the customer's extension is four digits. Which action should be taken to route the incoming calls to four-digit extensions?
Suggested Answer: B
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9 comments · newest first
LA
Laurel
12 months ago
Are we sure the E.164 number will always match the four digits?
TO
Torie
12 months ago
I agree, option A makes the most sense for mapping.
NO
Novella
1 year ago
Wait, why would you set significant digits to 8? That seems off.
OW
Owen
1 year ago
I think option C is the way to go!
GA
Gaynell
1 year ago
A voice translation rule is definitely needed here.
YU
Yuki
1 year ago
Hmm, I'm not totally sure about this one. I'll have to review the Expressway documentation again to see if transforms is the right approach for adding a domain to a numeric E.164 alias.
YU
Yun
1 year ago
Option A can't be right, old versions of the files are definitely still relevant if you need to go back and reference them. Daily backups in C could work, but source control is probably more efficient.
NA
Nan
1 year ago
I remember something about processes being important, but I can't quite recall if it was with application systems or products.
LA
Lavera
1 year ago
Wait, isn't editing the OOTB component directly risky? I'm tempted by option C with a custom component, but that feels like overkill.