A collaboration engineer has been asked to implement secure real-time protocol between a Cisco Unified CM and its SIP ga
Posted: Sat Jul 23, 2022 7:01 pm
A collaboration engineer has been asked to implement secure real-time protocol between a Cisco Unified CM and its SIP gateway. Which option is a consideration for this implementation?
A. only T.38 and Cisco fax protocol are supported
B. SIP require the all time be sent in GMT
C. Call hold RE-INVITE is not supported
D. SRTP is supported only in cisco IOS 15.x and higher
A. only T.38 and Cisco fax protocol are supported
B. SIP require the all time be sent in GMT
C. Call hold RE-INVITE is not supported
D. SRTP is supported only in cisco IOS 15.x and higher