Candor Info Solution is an “A”-category ISP certified by the Department of Telecommunications (DoT) in India.
As part of its offerings, it provides telephony/voice-over-IP (VoIP) services, including:

• IP phones and VoIP handsets. ExportersIndia

• Analog Telephone Adapters (ATA) to convert regular phone sets into IP telephony usable devices. ExportersIndia

• “Intercom & Telephony” and “IP Phone” services are on their website under the section for services of broadband/telephony. Candor Solution

Thus, the “smart landline” concept refers to a landline/telephone service delivered over their broadband/IP network rather than traditional PSTN (Public Switched Telephone Network) lines.