Is ISDN a VoIP?
0 views
Related questions
- How does cloud telephony work?
- What is SIP call settings?
- What does SIP trunking mean?
- What is a VoIP phone number used for?
- How is VoIP used?
- What is difference between PSTN and ISDN?
- What does PBX stand for?
- What is cloud phone system?
- Is WhatsApp call VoIP?
- Do you need special phones for VoIP?