Support Required for VoNR Setup Issue with Additional UE

[ramya-89]

Hi,
I would like to express my gratitude for the outstanding setup and guidance. Using this, I successfully set up a 5G SA network with a B210 radio. Currently, I am working on a VoNR setup using the sa-vonr-deploy.yaml file in open5gs_hss_cx. I can see the VoLTE icon on three UEs and successfully make voice calls between two phones.

However, after adding a fourth subscriber to the database, the fourth UE connects only to data, and VoLTE call setup is not enabled. In the environment file, I see Max_NUM_UE = 1024. Could you clarify if there is any limitation on the number of UEs that can make voice calls? Your support would be greatly appreciated.

Thanks
V. Ramya

[herlesupreeth]

Currently, I am working on a VoNR setup using the sa-vonr-deploy.yaml file in open5gs_hss_cx

If you want to have QoS for VoNR call use exp_5g_ims_pyhss branch. As thats the only branch which has support for it.

However, after adding a fourth subscriber to the database, the fourth UE connects only to data, and VoLTE call setup is not enabled. In the environment file, I see Max_NUM_UE = 1024. Could you clarify if there is any limitation on the number of UEs that can make voice calls?

There is no limit on number of UEs making calls

[ramya-89]

Thank you so much for your response.

[shuimoshusheng]

Currently, I am working on a VoNR setup using the sa-vonr-deploy.yaml file in open5gs_hss_cx

If you want to have QoS for VoNR call use exp_5g_ims_pyhss branch. As thats the only branch which has support for it.

However, after adding a fourth subscriber to the database, the fourth UE connects only to data, and VoLTE call setup is not enabled. In the environment file, I see Max_NUM_UE = 1024. Could you clarify if there is any limitation on the number of UEs that can make voice calls?

There is no limit on number of UEs making calls

May I ask if the epc_zone in DNS configuration is 5gs_zone for Vonr？Thanks !

[herlesupreeth]

@shuimoshusheng epc_zone is for 4G Core Network elements DNS resolution whereas 5gs_zone is for 5G Core Network elements DNS resolution

[shuimoshusheng]

@shuimoshusheng epc_zone is for 4G Core Network elements DNS resolution whereas 5gs_zone is for 5G Core Network elements DNS resolution

@herlesupreeth Thank you for your reply. Can you understand that for the vonr 5gs_zone file, the file content is as follows:

$TTL 1W
@                       1D IN SOA       localhost. root.localhost. (
                                        1		; serial
                                        3H              ; refresh
                                        15M             ; retry
                                        1W              ; expiry
                                        1D )            ; minimum

                        1D IN NS        epcns
epcns                   1D IN A         DNS_IP

pcf                    1D IN A         PCF_IP