The All India Tennis Association claimed that Sumit Nagal demanded an annual fee of $50,000 to play Davis Cup ties for India.
ATP events in Hamburg, Bastad, Newport, Los Cabos, Gstaad, Umag, Atlanta and Kitzbuhel will not go ahead as scheduled.
India's non-playing Davis Cup captain Mahesh Bhupathi, who was to be part of the conference call, told PTI that "call is cancelled till further notice".
India are due to be in Islamabad for the tie after the ITF allowed Pakistan the right to host the tie on September 14 and 15.
Davis Cup: Ramkumar to lead Indian challenge against Pakistan on grass courts
Jannik Sinner overpowered American Taylor Fritz in the final to become the first Italian man to win the US Open singles title.
The All India Tennis association (AITA), taking a more aggressive stance than earlier, said it would not request for a neutral venue for the Asia Oceania Zone 1 tie on September 14-15 as is being asked by the International Tennis Federation (ITF).
The ITF tribunal has rejected AITA's contention that its Davis Cup team could face security concerns during the World Group I Play-off tie in Islamabad, paving the way for an Indian tennis team's visit to Pakistan for the first time in 60 years.
The Paris Games will be his second stint in the Olympics, having also qualified for the 2020 Tokyo Games, where he made it to the second round.
Iga Swiatek on Thursday called for the sport's governing bodies to provide players with more tools to combat online abuse
An independent tribunal of the ITF will now deliberate upon the appeal and make a final decision by November 18.
The fifth seeded Thai lass easily beat Miki Miyamura of Japan in the final of the ITF\nWomen's Tennis Championship in Chennai.
The November 29-30 contest has already been rescheduled once, owing to security concerns raised by India.
The event played in one location over seven days in November could start next year, pending approval by the ITF Board.
The Thai girl easily beat megha Vakharia in the final.
The International Tennis Federation (ITF) has expressed its disappointment at the Court of Arbitration for Sport (CAS) decision to clear French player Richard Gasquet of doping after he tested positive for cocaine.
Spaniards Rafael Nadal and Garbine Muguruza were named as the International Tennis Federation (ITF) world champions on Friday - the first time in 19 years the awards have gone to players from the same country.
Multiple Grand Slam winner Martina Navratilova questioned the "silence" of the International Tennis Federation after one of its members described world number one Serena Williams and older sister Venus as "brothers".
Roger Federer and Serena Williams were named 2009 ITF World Champions on Tuesday after capturing four grand slam singles titles between them in 2009.
India's Karman Kaur Thandi has clinched her second W60 ITF title of her career after winning at the Evansville event in the USA.
Rafael Nadal has asked the International Tennis Federation to publish the results of his drug tests following an accusation of doping by a former French cabinet minister.
Top seed Sania Mirza quelled a late challenge from American wildcard Laura Granville to enter the quarter-finals of the US $75,000 ITF Vancuover Open on Thursday.
France's Richard Gasquet has been provisionally suspended from tennis after testing positive for cocaine, the International Tennis Federation (ITF) said on Monday. Gasquet confirmed on Sunday he had failed the test at last month's Miami tournament but has denied any wrongdoing.
An angry Lleyton Hewitt labelled the ITF's actions a disgrace after the tennis governing body fined Australia $10,000 over their decision to boycott a Davis Cup zonal tie in India because of security concerns. Tennis Australia had asked the International Tennis Federation to move the May 8-10 Asia/Oceania tie out of the southern Indian city of Chennai but the request was rejected and the 28-times champions forfeited the contest.
The PTF chief said there was a deadline for the AITA to send final arrival confirmation and if they didn't travel to Pakistan the International Tennis Federation (ITF) would consider the Davis Cup tie as forfeited, awarding full points to the hosts.
Five-times Grand Slam champion Maria Sharapova has criticised the International Tennis Federation (ITF) for not doing enough to make her aware that meldonium had been added to the list of banned substances last year.
Briton Andy Murray and Germany's Angelique Kerber were named ITF World Champions on Tuesday, capping stellar years for the men's and women's world number ones. Murray, whose brother Jamie was named doubles World Champion along with Brazil's Bruno Soares, won Wimbledon in July before becoming the first player to win two Olympic singles gold medals when he retained his crown in Rio de Janeiro in August.
Factbox on Belarus' Aryna Sabalenka, who beat China's Zheng Qinwen in the Australian Open final on Saturday
Former Davis Cupper Prakash Amritraj outplayed Saketh Myneni in straight sets to lift the Men's singles title at the $ 15,000 Solaris ITF Future Tennis Championships in Pune on Saturday.
The International Tennis Federation (ITF) have rejected Pakistan's appeal against the awarding of their Davis Cup Asia-Oceania Group II tie to New Zealand, the governing body said on Wednesday.
Wimbledon champion Novak Djokovic took the men's prize for the fourth time, having won seven titles this season and the year-end top ranking for the third time in four years, while Serena Williams won the award for the fifth time in a career that has brought her 18 Grand Slam singles titles -- the most recent at this year's US Open.
Meanwhile, fourth seed Divij Sharan pipped American George Barth 6-4, 6-4 to advance into the second round.
Caroline Wozniacki has become the first Danish player to win the International Tennis Federation's World Champion award, even though she has never won a Grand Slam. Spain's Rafael Nadal took the men's award for the second time after winning three of the year's four Grand Slam titles.
It was a bad day for Indians at the $ 10,000 ITF men's event as all of them bowed out of the singles event after losing their second round matches.
Prakash Amritraj beat Karan Rastogi in the final to win the USD 10,000 ITF Futures men's tennis tournament.
Two tennis umpires were banned, one for life, last year for breaches of the sport's code of conduct for officials, the International Tennis Federation (ITF) said on Tuesday. Four other umpires are under investigation by the Tennis Integrity Unit (TIU), the London-based world ruling body for the sport said in a statement. In January, tennis was rocked by a report by the BBC and online BuzzFeed News that said 16 players who have been ranked in the top 50 had been repeatedly flagged to the TIU over suspicions they had thrown matches in the past decade. Tennis authorities rejected allegations that evidence of match-fixing had been suppressed or had not been properly investigated.
The Davis Cup final between Belgium and Britain will go ahead despite Brussels being placed on maximum alert over the threat of an imminent attack, local organisers and the International Tennis Federation said on Monday.
Karan Rastogi went down to Todor Enev 6-4, 7-6 (3) in the semifinals of the ITF Futures.
Both Balaji and Bhambri have got some decent results on clay in lead up to the Roland Garros, where the action will unfold during the Summer Olympics from July 27.
It's a historical tie, we will benefit from India team's visit: Pakistan tennis fraternity