| Enhancements to Recommendation V.90 |
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Digital and analogue modems for use on the Public Switched Telephone Network (PSTN) at data signalling rates up to 56 000 bit/s downstream and up to 48 000 bit/s upstream, with reduced start-up time on recognized connections, and procedures to support modem-on-hold in response to call-waiting events or outgoing call requests. |
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| Citation: |
https://handle.itu.int/11.1002/1000/5246 |
| Series title: |
V series: Data communication over the telephone network
V.60-V.99: Simultaneous transmission of data and other signals |
| Approval date: |
2000-11-17 |
| Approval process: | TAP |
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Status: |
In force |
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Maintenance responsibility: |
ITU-T Study Group 21 |
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Further details: |
Patent statement(s)
Development history
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