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| Standardization work |
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| IETF topics |
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| 3GPP topics |
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# PoC
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| ETSI topics |
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| Other topics |
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| # | public access |
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| # | private access (full or partial) |
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public access so far, but very likely private access with next version |
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| 3GPP TR 23.979 |
Push-to-talk over Cellular (PoC) Services - Stage 2 |
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| 3GPP TS 32.272 |
Push-to-talk over Cellular (PoC) charging |
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| OMA PoC |
OMA Push to talk Over Cellular V1.0.2 Approved Enabler |
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