300-070 Question #78: Real Exam Question with Answer & Explanation

The correct answer is B: This Media Termination Point type does not require any DSP resources on the Cisco router.. A software-based MTP (SW-MTP) in Cisco Unified Communications Manager runs entirely on the CUCM server software: (B) It does NOT require DSP resources on a Cisco router - because it is purely software running on the CUCM host, not on router hardware; (D) It can perform G.711 mu-l

Question

Which three of these are characteristics of a Cisco Unified Communications Manager software- based Media Termination Point? (Choose three.)

Options

AThe codec and packetization of both call legs must be identical.
BThis Media Termination Point type does not require any DSP resources on the Cisco router.
CDSP resources are required.
DIt can provide G.711 mu-law to G.711 a-law conversion and vice versa.
EIt can provide packetization conversion for a given codec (for example, if one call leg is using a
FThis Media Termination Point type is typically used for RSVP agent configurations or Cisco

Explanation

A software-based MTP (SW-MTP) in Cisco Unified Communications Manager runs entirely on the CUCM server software: (B) It does NOT require DSP resources on a Cisco router - because it is purely software running on the CUCM host, not on router hardware; (D) It can perform G.711 mu-law to G.711 a-law conversion (and vice versa) - these are both G.711 variants and within the capability of a software MTP; (E) It can perform packetization interval conversion for the same codec - for example, converting between 20ms and 30ms packetization periods without a full transcode. Option A is incorrect - the whole point of an MTP is to allow legs with different settings to connect. Option C (DSP resources required) describes hardware MTPs, not software MTPs. Option F (RSVP agent use) is a common use case but was cut off in the question text.

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