Yes two ATAs can be connected back to back. Follow these steps to configure them back to back.
1) Set the GKOrProxy to 0
2) Set the IPDialPlan to 1
3) Configure the ATAs with fixed IP addresses.
4) Calling one phone to another, dial directly the "IP address" of the called party. Dialing "IP address" is normally not convenient due to the number of digits involved; so use a analog phone that has a programmable speed dials.
5) Without a GateKeeper there is no Admission Control\Bandwidth allocation for calls.
6) To access the ports one on ATA 186 which has the IP address as 192.168.1.52 and UID0, UID1 as 65666, 65667
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...