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When a third-party SIP Phone System is dialed inbound across a Cisco Unified Border Element, DTMF is failing. The third-party vendor accepts only out-of-band DTMF. Which configuration should be added to the outgoing dial peer to resolve this issue?
Suggested Answer: D
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8 comments · newest first
YO
Youlanda
12 months ago
Why does it have to be out-of-band? Seems complicated!
FL
Fletcher
12 months ago
DTMF issues can be tricky, but C should work.
RO
Ronna
1 year ago
Wait, are you sure about that? I thought it was B.
LA
Lawanda
1 year ago
I agree, C is the right choice here!
ZO
Zoila
1 year ago
Out-of-band DTMF needs dtmf-relay cisco-rtp.
BO
Boris
1 year ago
I'm a bit confused on this one. The entrepreneurial structure doesn't seem quite right, but I'm not sure if the matrix or divisional would be better. Guess I'll have to think it through carefully.
MA
Malinda
1 year ago
Okay, I think I know the answer here. The key is to configure a precise filter to allow only HTTP traffic between the EPG client and EPG server.
AL
Alishia
1 year ago
For these kinds of questions, I always try to think about what a real professional would do. Starting with general information and moving to specifics makes the most sense to me.