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?
A) dtmf-relay rtp-nte
B) dtmf-relay cisco-rtp
C) dtmf-relay h245-signal
D) dtmf-relay sip-kpml
Correct Answer:
Verified
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