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| Protocolo de inicio de sesión (A standard signaling protocol for establishing multi-media communications sessions between two or more users over an IP network) | |||
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| SIP (IETF, VOIP, ENUM) | |||
| SIP | |||
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| SIP (Session Initiation Protocol) | |||
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Session Initiation Protocol : 2 短语, 1 学科 |
| 微软 | 2 |