Which of the following is an example of converting signal from a TDM to an IP voice protocol via a voice gateway?
A. SIP to CAS
B. H.323 to SIP
C. CAS to Q.931
D. Q.931 to H.323
Answer:D
Which of the following is an example of converting signal from a TDM to an IP voice protocol via a voice gateway?
A. SIP to CAS
 B. H.323 to SIP
 C. CAS to Q.931
 D. Q.931 to H.323
