Cisco IP phone – Can’t receive external calls

5 pts.
Tags:
Cisco
Cisco 7961
Cisco IP phone
IP telephony
Using a Cisco 7961 IP phone and Call manager. I have loads of these working all over the world, yet I have one that receives and makes internal calls without issues, also makes external calls, but can't receive external calls. Everything looks like it is set up as all the others in this location. Anyone know of a setting that could be incorrect to cause this. Thanks in advance.

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Seems like the ephone-dn might be misconfigured.. at least thats the best place to start looking

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  • Schmidtw
    I'm quite unfamiliar with VoIP as a whole, but is it possible there is an IP address conflict? -Schmidtw
    11,330 pointsBadges:
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  • Hetmil
    Please check extension parameters
    715 pointsBadges:
    report

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