I have done some googling but have not been able
to get a better understanding as to what the possible causes of the
following error could be, perhaps someone has experienced this error
PRI Span: 4 Unable to receive TEI from network in state 3(Establish awaiting TEI)!
The following 2 cards are installed in the system and the version is as follows:
Asterisk 184.108.40.206~dfsg1-3+deb7u3 built by buildd @ biber on a i686 running Linux on 2014-01-04 02:59:31 UTC
ISDN controller: Digium, Inc. Wildcard B410 quad-BRI card (rev 01)
Communication controller: Digium, Inc. Wildcard TE220 dual-span T1/E1/J1 card 3.3V (PCI-Express) (5th gen) (rev 02)
Any assistance would be appreciated.