Telephony (4)

Answering Machine / Mail Box

Modified on Mon, 30 May, 2022 at 3:13 PM
What are value-added services / premium services?

Modified on Wed, 5 Jun at 10:15 AM
How can I enable Wi-Fi Calling / WLAN telephony on iOS and Android?

Modified on Fri, 17 Sep, 2021 at 2:30 PM
How can I activate Visual Voicemail on iOS and Android?

Modified on Fri, 17 Sep, 2021 at 2:25 PM