'Media gateway control protocol' diaporamas de présentation

Voice over IP

646 views • 51 slides

RSVP

536 views • 29 slides

ITU-T Study Group 16 and the need for formal description techniques

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LDAP ( Lightweight Directory Access Protocol )

LDAP ( Lightweight Directory Access Protocol ). LDAP (Lightweight Directory Access Protocol) is a software protocol for enabling anyone to locate organizations, individuals, and other resources such as files and devices in a network, whether on the public Internet or on a corporate Intranet.

424 views • 22 slides

Internet Telephony

Internet Telephony. Vincent Declercq MSIT 526: Fall 2005 19 December 2005. Outline. History Deployment Circuit Switching Packet Switching Hardware Software Advantages & Disadvantages Pricing Future of VoIP. History. 1836: telegraph 1 st breakthrough in human telecommunication

387 views • 21 slides

Asterisk & VoIP

729 views • 18 slides

VoIP security : Not an Afterthought

VoIP security : Not an Afterthought. OVERVIEW. What is VoIP? Difference between PSTN and VoIP. Why VoIP? VoIP Security threats Security concerns Design and implementation Conclusion. What is VoIP?.

326 views • 16 slides

Figure 7-1 Softswitch Components

Figure 7-1 Softswitch Components. Universal Media Gateway. MGCP. SGCP. Signaling Gateway. Softswitch. SIP. MGCP (Media Gateway Control Protocol) SGCP (Simple Gateway Control Protocol) call agent SIP ( Session Initiation Protocol). Feature Server. IP Network. PC. PC. Voice Gateway.

656 views • 15 slides

Voice over IP

Voice over IP. IP Networking Overview. IP assumes delay and packet ordering problems. Voice Delay with IP. One-Way, Mouth-to-Ear Delay. Description. 1-150 ms. Suitable for most delay sensitive applications like voice. 150-400 ms.

255 views • 14 slides

204 views • 10 slides

Typical Sequences of IP-PT Operations

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