diàn huà tuī xiāo bù xiǎng tīng, kě yǐ shuō xiè xiè, wǒ zàn shí bù xū yào

电话推销不想听，可以说“谢谢，我暂时不需要”。

If you don't want to listen to telemarketing, you can say 'Thank you, I don't need it for now.'