| 摘要 |
<p>A method for establishing a communication between a first party and a second party includes: receiving, by the second party, a communication request (CR) and identification information of the first party from the first party using a first signalization standard and using public identification information of the second party; and establishing direct communication between the first and the second party using a second signalization standard and using the identification information of the first party. The first signalization standard corresponds to a Public Switched Telephone Network (PSTN) or Public Land Mobile Network (PLMN) service or to Internet Protocol. The second signalization standard corresponds to Internet Protocol.</p> |
