Paragraph 41.7(4) of The Telecommunications Act[REF] requires that every exempted telemarketer "shall maintain their own do not call list and shall ensure that no telecommunication is made on their behalf to any person who has requested that they receive no telecommunication..".
On November 13, 2008, the CRTC declined a request from telecommunications provider Rogers Wireless to permit Canadian wireless customers to block unsolicited SMS text messages through the DNCL [REF].