04-05-2018 02:32 AM - edited 03-01-2019 02:07 PM
Hello guys,
I have an issue. My cisco phone CP7821 does not ring when someone tried to call from outside. Internal calls it rings and phone is working fine. I am using a the GSM Interface from PSITEK which is connected to a router. I have checked the configuration on the router and it´s pointing to that extension phone but when i tried to call using my mobile or other external line i can hear ringing but the phone (extension) does not do nothing.
Please can you assit on this?
Edson
04-05-2018 04:32 AM
what is your cisco phone resgistered on? cme, asterisk?
04-05-2018 10:45 PM
It´s Registered in Call Manager.
05-10-2018 01:39 AM
Is it a call manager express on a router?
Can you see the incoming call on the router?
Regards.
06-04-2018 06:45 AM
No can you please assist?
10-02-2019 05:14 AM
Having this exact same problem. Please assist.
01-08-2021 10:04 AM
Hello, I am currently having the exact same problem. Internal calls ring fine, but Outside calls go to voicemail.
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