02-16-2011 02:39 AM - edited 03-16-2019 03:29 AM
I have a ATA 186. When I receive a call the telephone doesn't show the number. The ATA have SIP firmware.
Why?
02-16-2011 03:00 AM
Is your ATA registered to some SIP server or Cisco call manager ?
If possible check the Invite message coming to ATA 186 for incoming calls ?
02-16-2011 03:21 AM
The ATA is connected to SIP server. For second question I do not understand....
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