 |
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| T-Serie der ITU-T CCITT -Empfehlungen (relates to Group 123 facsimile, telematic, teletex, telex and videotex services) | |||
| T -series of ITU-T Recommendations: 19 phrases in 1 subject |
| Communications | 19 |
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| T-Serie der ITU-T CCITT -Empfehlungen (relates to Group 123 facsimile, telematic, teletex, telex and videotex services) | |||
| T -series of ITU-T Recommendations: 19 phrases in 1 subject |
| Communications | 19 |