发明名称 |
CHECK-UP OF TALKING PATH IN COMMUNICATION SYSTEMS |
摘要 |
FIELD: methods and equipment for checking talking paths in communication systems. SUBSTANCE: proposed method and equipment are designed to organize talking path including compression and expansion of voice signal between first and second telephone sets of which both take part in call between at least two telephone sets, to generate signal unambiguously identifying first telephone set, to transmit this signal from first telephone set, and to check-up second telephone set for signal reception through talking path organized between first and second telephone sets. EFFECT: facilitated check-up procedure. 18 cl, 9 dwg |
申请公布号 |
RU2204216(C2) |
申请公布日期 |
2003.05.10 |
申请号 |
RU19990115092 |
申请日期 |
1997.12.09 |
申请人 |
TELEFONAKTIEBOLAGET LM EHRIKSSON (PABL) |
发明人 |
ZAZIN TIBERIUS;KHERMANNS SHTEFFEN |
分类号 |
H04M3/26;H04B17/00;H04M1/24;H04M3/32 |
主分类号 |
H04M3/26 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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