Hello, i have a CME, the router has 4 FXO ports,each port connect to the PSTN they are under a common trunk group called BRC, when i make an outgoing call the call takes the first port, but if i disconnect the line from the first fxo port the call can not out. i have applied several hunt-scheme but sometimes works. i think that the port can not identify in which port it has a line connected.
I would not put the ports in a trunk group. Just try this:
dial-peer voice 1 pots
destination-pattern .T (or whatever)
dial-peer voice 2 pots
I think you should find that if you 'debug vpm signal' that the port will go into WAIT_DIAL_TONE state and will time out and hunt to the next port.
For FXS ports - the router does not know. There is no way to hunt out FXS ports. But for an FXO port, if the router does not get a dial tone it should fall over. Make sure you have the correct cptone defined under the voice port for detection purposes.
I'm not entirely sure if it's a trunk group configuration to be honest. I never configure them, as when we troubleshoot we break it into the simplest parts first and then add features on top of things we know that work.
If we find out that removing the hunt group was the source of the problem - it would be a shame. It's very possible this isn't the case and it's something else.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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