In the CUCMv8, How I can change the default time in seconds to the parameter "No Answer Ring Duration" in the CUCM´s?
I need to change "no answer ring duration" to 20 seconds in all phones.
It dould be Forward No Answer Time under Cisco CallManager service parameter.
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Changing the number of times a Cisco IP Phone rings before forwarding to voice mail or another station is accomplished by changing a service parameter.
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