| 摘要 |
<p>Audible and/or visible ringback signals are provided to a calling party by wired or wireless communication equipment in a local region associated with a called party, and not by the wide-area network(s) via which the calling party communicates with the called party. The non-network ringback signals are provided after a communication channel has been established between the calling party and the called party, but before the called party handles substantive communication content from the calling part. Non-network ringback signals may be selected based on various criteria, such as an identity of the calling party, capability of calling party communication equipment, or a type of information (for example, video, audio, or data) exchangeable via the communication channel.</p> |
