What is a soft phone?

Full form of DPNSS?

Is it possible to transport fax and modem traffic over a VoIP network?

Full form of SS7?

Full form of TDM?

Which protocol provides end-to-end delivery services for data that requires real-time support such as interactive voice and video?

Which cable is mostly used in traditional telephones?

Protocol to reduce the size of RTP/UDP/IP headers from 40 bytes to 2 bytes (mostly) to save bandwidth and provide better throughput?

Which services are provided by Real-time Transfer Protocol(RTP)?

Which modes of delivery are supported by IPsec?

Into how many smaller bandwidth channels can a T1 line be subdivided?