ringback การใช้

• Some companies change their ringback number every month to maintain secrecy.
• The exchange also sends a ringback tone to the calling party.
• "Ringback tones are, essentially, a fashion statement.
• Every telephone company determines its own ringback numbers for each individual central office.
• Some large telephone companies have toll-free numbers set up for ringback.
• The ringing tone is often all called " ringback tone ".
• Today, Brring promoted itself simply as a'free ringback service '.
• Ringback tones for several songs are also available.
• We're anxious to drive the business to mobile through products like ringback ."
• Some ringback numbers are local or regional in scope, while others are larger in scope.
• However, in formal telecommunication specifications, " ringback " has a different definition.
• So far, ringback tones have developed a following in Asia and, more recently, Europe.
• These include or included mobile web content, ring tones; ringback tones; and Internet games.
• RetroCode also includes a ringback-signal synthesizer allowing to mix audio content with standard ITU ringback signals.
• RetroCode also includes a ringback-signal synthesizer allowing to mix audio content with standard ITU ringback signals.
• A "'ringback number "'is a telephone number used by telephone company routed properly.
• It became her best-selling single, with sales of three million ringback tone downloads within nine months.
• Brring allows users to create custom " ringback tones ", or sounds played before the phone is answered.
• If wireless companies have their way, the next multibillion dollar surprise in the cellular business will be " Ringback " tones.
• Ringback numbers may appear in the " 958 " exchange, but there is no requirement that they reside there.