 |
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| Session Initiation Protocol (A standard signaling protocol for establishing multi-media communications sessions between two or more users over an IP network) | |||
| 德语 词库 | |||
| |||
| SIP (Session Initiation Protocol) | |||
|
| |||
| Session Initiation Protocol (A standard signaling protocol for establishing multi-media communications sessions between two or more users over an IP network) | |||
| 德语 词库 | |||
| |||
| SIP (Session Initiation Protocol) | |||
