The instructions below are intended for users on OTHOS TELECOM phone system ONLY, and may not be applicable for devices on other platforms. For more information on using our services, please visit our website www.voipeasy.co.za or give us a call on 021 673 6801. 


On your Othos Hosted Phone System under the tab Call Details Records you will find relevant information about the calls.


One of them is the "Hangup cause":



Hangup causes


NORMAL_UNSPECIFIED - This cause is used to report a normal call event and the call is getting hung up after conversation. It indicates there is no error on the telecom side.


UNALLOCATED_NUMBER - This cause indicates that the person called could not be reached because, either the number is not in a valid format, or the number is not currently allocated/assigned to anyone.


NO_USER_RESPONSE - This is when the called person didn't respond to the call with in certain time limit (decided by the telecom operator, we don't have much control on it)


NO_ANSWER - It's similar to no user response, but In NO_USER_RESPONSE, the telecom operator doesn't even get an acknowledgement if the called person was alerted of an incoming call. But in case of NO_ANSWER, the telecom operator knows the called person is alerted of the call but no one picks up.


USER_BUSY - This cause is used to indicate that the called party is unable to accept another call because they are busy in another call.


NORMAL_CLEARING - This cause indicates that the call is being cleared because the call is over for right reasons like conversation is complete.


NORMAL_TEMPORARY_FAILURE - This cause indicates that the network is temporarily not functioning correctly for this VoIP call to establish correctly.


CALL_REJECTED - This cause indicates the call is rejected by the person who was called.


ORIGINATOR_CANCEL - This happens when the call is canceled by the person who made the call.


INVALID_NUMBER_FORMAT - This cause indicates the number for the dialed call is not in a valid format.


RECOVERY_ON_TIMER_EXPIRE - This cause is often associated with NAT problems and indicates the error handling procedure for the call has been initiated.


INTERWORKING - This cause indicates that an interworking call (usually a call to SW56 service) has ended.