Refer to the exhibit. Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message wi
Posted: Sat Jul 23, 2022 6:59 pm
Refer to the exhibit.
Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message with a Call-Info header shown?
A. RFC 2833
B. SIP INFO
C. SIP NOTIFY
D. SIP KPML
E. In-band audio
Which DTMF relay method is advertised when the originating SIP gateway sends an INVITE message with a Call-Info header shown?
- Refer To The Ex 1 (14.21 KiB) Viewed 67 times
B. SIP INFO
C. SIP NOTIFY
D. SIP KPML
E. In-band audio