not able hear dial tone
Call Manager version : 8.6
Cisco IP Phone : 6945, 7940 n 7960
when i press 0 r 9 as outside dialing no. i am able to hear any dial tone in both speaker n hand set
but calls are able to connect each other.
I have checked cluster wide parameter : disable altering process indicator is false only.
I have checked in route pattern also provide outside dialtone is enabled.
I have checked in gateway also there is no issue in conf.
help me out..!!!