[srsran-users] Unable to Establish Calling and Messaging Between Two User Equipment's ( UE's) whne using SRSRAN

[Andre Puschmann]

Hey,

srsEPC is a light-weight testing EPC. For VoLTE and other advanced stuff 
you have to use a third-party EPC, like open5gs for example

Thanks
Andre


On 28/6/22 8:20, Murthy S wrote:
> Dear All,
> 
> I am running srsRAN 22.04 on my lenovo laptop having the specifications 
> as Intel Core i7 (8th Gen), 16 GB DDR4 RAM. I'm using ASUS ROG Phone 2 
> and Oneplus 7 as my 4G UE and for both these UE's i am using Open Cells 
> USIM card.
> 
> I am able to run srsepc and srsenb  and connect my both UE to the 
> network and I am able to surf the internet with the established srsRAN 
> network.
> 
> When I try to initiate a call from one UE (ASUS ROG Phone 2) to another 
> UE (Oneplus 7), I get the following message.
> *Unhandled NAS integrity protected message 
> LIBLTE_MME_MSG_TYPE_EXTENDED_SERVICE_REQUEST*
> 
> Please help me establish a calling and messaging feature between two UE 
> when using srsRAN.
> 
> The message screenshot is attached, please check and let me know.
> 
> srsRAN_CAll_Fail_Message.jpeg
> 
> Thanks and Regards
> Murthy S
> 
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