Having issues with incoming calls from SIP provider on CME
Hi, guys. I really need your help.
I have Phones--CUCM--CME--SIP provider. Outgoing calls from phones are working fine, but incoming calls to CME dont work. When Im calling a number of company from outside, CME routes call to CUCM, and CUCM to Phone, phone is ringing, but there is silence when im picking up the phone. But what is interesting it works sometime and doesnt work sometime.
Im a new to VoIP, i can put any debug commands which u want
Thank you for replying. Yes, today im calling my ISP. And you know what, i captured packets with wireshark during incoming calls, and there is seen that RTP just goes one way, from my CME to ISP and no RTP from my ISP. Why is so acting?
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