My name is Mohsen Asghari, master student in Computer Engineering

I have to create a communication center based on GSM with OpenBTS,

everything is OK, I have tested osmocom-bb with SMS in vty and it was perfect

but there is call problem. in both of real and virtual network this problem is bothering me finishing my thesis

can you help me understand whats wrong with my packages and installation?

it is five months that I am trying to fix this problem but I cant.

in the cm-service command I have a channel release from ms which the comments shows that the problem is about there is no free socket for voice....!

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yours sincerely,
Mohsen Asghari