Which two statements about remote survivability are true? (Choose two.)

Which two statements about remote survivability are true? (Choose two.)
A . SRST supports more Cisco IP Phones than Cisco Unified Communications Manager Express in SRST mode.
B . Cisco Unified Communications Manager Express in SRST mode supports more Cisco IP Phones than SRS
D . MGCP fallback is required for ISDN call preservation.
E . MGCP fallback functions with SRS

View Answer

Answer: AD