EC25-E Mini PCIe - VoLTE/VoWifi question

Cellular Modules Quectel EC25 LTE Module
1

Hi!

I would like to use this module for a VoLTE/VoWifi/GSM - SIP gateway/LTE router. I found this line in the specification:

“Digital Audio and VoLTE (Voice over LTE)(Optional)”

Could you please tell me what does this mean?

I would like to use it in Hungary (DIGI provider) with a Raspberry Pi (Zero, 3, 4,…). Have someone any experience with this setup?

Thank you in advance!

2

Hi,
It is better to contact the Quectel’s local FAE team to support you to test VoLTE function and get information.