| Troubleshooting |
225
Situation
Reason
Solution
Your monitor prompts: Call Fail
Busy Here.
• Far site rejects your SIP call.
• Far site does not answer your
SIP call.
• Far site has reached maximum
sessions when you place a SIP
call.
Contact the far site.
Your monitor prompts: Call Fail
Remote endpoint refused call.
Far site rejects your H.323 call
• Far site rejects your H.323 call.
• Far site does not answer your
H.323 call.
• Far site has reached maximum
sessions when you place an
H.323 call.
Contact the far site.
Your monitor prompts: Network
disconnected
Check the network connection.
Your monitor prompts: Maximum
number of sessions reached.
The maximum sessions is depend
on the multipoint license imported
to the system.
Audio Issues
Symptom
Reason
Solution
The volume is set to 0.
Adjust the volume.
You cannot hear the audio during a
call.
The far site mutes the microphone. Contact the far site to check
whether the microphone is
unmuted.
The speaker volume is too low.
Adjust the volume.
The muffled audio reception from
the far site may be caused by
highly reverberant rooms.
Contact the far site to speak in
close proximity to the phone.
You choose a low-bandwidth audio
codec.
Adjust the priority order of your
audio codec.
You cannot hear the audio clearly
during a call.
Noise devices, such as computers
or fans.
Enable noise suppression.