例句與造句

1. In a rare few cases, a destination number served by voice-over-IP is reachable directly at a known SIP address ( which may be published through ENUM telephone number mapping, a . tel DNS record or located using an intermediary such as SIP Broker ).
2. In October 2006, the company introduced its SuperRegistry, which combines interconnection call signaling and media translation, and ENUM Telephone number mapping registry capabilities to allow peering partners who participated in the SuperRegistry to complete calls with each other through direct digital connections to reduce long distance and international call expenses for customers.
3. It's difficult to find enum telephone number mapping in a sentence. 用enum telephone number mapping造句挺難的