Voice oveer IP fundamentals /
Part I. PSTN 3. Overview of the PSTN and comparisons to voice over IP 5. Enterprise telephony today. Basic telephony signaling. Signaling system. PSTN services. Part II. Voice over IP technology. IP tutorial. VoIP: an in-depth analysis. Quality of service. Billing and mediation services. Voice secur...
| Autores principales: | , , , , |
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| Formato: | Texto (Text) |
| Idioma: | Inglés (English) |
| Publicado: |
Indianápolis : Cisco Press,
2007
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| Materias: |