Music business card is a personalized enterprise ring tones service provided by China Telecom Love Music for small and medium-sized enterprise users; enterprise users can create personalized enterprise ring tones through TTS, recording ring tones, and uploading ring tones, and provide them for corporate employees Number loaded music business card service. Achieve the improvement of the company's unified external brand image. Customer service 46 will answer your questions. On-demand broadband is as fast as you want. You can apply for it directly by replying the keyword "on-demand broadband" to the China Telecom Guizhou customer service official account, which is convenient and fast.