if so, There are a couple of obvious issues.Check your exchange E&M type is correct for your config, for example Nortel type 1 is Cisco type 5.Sounds like you have a wiring issue with your M lead.
have you tried using the "connection type" command in your voice port config. you could use either trunk or even tie-line if bandwidth is tight.A real quick test is to use the cisco blue rolled cable and map your two E&M's together. this will translate the pinouts and you can direct selct your trunk 1 and receive a call on your other trunk line.
Introduction: The "external-out enable" command is available for
configuration under the "router ospf process" in case of the IOS-XR
operating system. This command basically enables advertisement of
intra-area routes on the device as external routes in th...
IntroductionIn this article we'll discuss how to troubleshoot packet
loss in the asr9000 and specifically understanding the NP drop counters,
what they mean and what you can do to mitigate them. This document will
be an ongoing effort to improve troublesh...