arafat.khan
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Member since ‎08-23-2017
‎10-05-2022

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  • 2 Posts
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Hi, I am using CUCM version 12 and ISR4321 as a voice gateway. There is a E1 connection as well as SIP and FXO connection. Everything is running fine but if I call to a switched off mobile phone from ip phones it hears ringback tone for a while for b...
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Member Since ‎08-23-2017 02:39 AM
Date Last Visited ‎10-05-2022 12:31 AM
Posts 2