https://www.itnews.com.au/news/skype-extends-unlimited-calling-plans-174214
Skype extends "unlimited" calling plans - iTnews
Monthly offerings for mobile calls in more countries.
unlimited calling plansskypeextendsitnews
https://www.bajajfinserv.in/bsnl-recharge-plan-unlimited-calls
BSNL Unlimited Calling Plans - Recharge Now for Unbeatable Offers
Stay connected with BSNL recharge plan for unlimited calls! Enjoy endless conversations and seamless connectivity. Recharge now and experience the freedom.
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https://www.indiatoday.in/technology/news/story/bsnl-launches-unlimited-voice-calling-plan-for-600-days-at-rs-2399-check-out-other-long-term-plans-1681653-2020-05-25
BSNL launches unlimited voice calling plan for 600 days at Rs 2399, check out other long-term plans
May 25, 2020 - BSNL is giving unlimited voice calls for 600 days, the longest validity among all telcos at Rs 2399. The plan does not bring with it any data.