lifetime control

Referring to Network Layer protocol mechanisms that limit the life of a packet.The

Internet Protocol (IP) and Connectionless Network Protocol (CLNP) packets both contain a time-to-live (TTL) field for this purpose. See also CLNP, IP, Network Layer, packet, protocol, and TTL.

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• silence suppression
• silica
• silicon dioxide (SiO )
• silicone
• silicon (Si)
• Simple Gateway Control Protocol (SGCP)
• Simple Mail Transfer Protocol (SMTP)
• simple mode
• Simple Network Management Protocol (SNMP)
• SIMPLE (Session Initiation Protocol [SIP] for Instant Messaging and Presence Leveraging
• simplex
• simplex
• simplex
• simplified message desk interface (SMDI)
• SIM (Subscriber Identification Module)
• sine wave
• Single-Ended Method for Objective Speech Quality Assessment in Narrow-Band Telephony
• single-key encryption
• single-line digital subscriber line (SDSL)
• single-line DSL (SDSL)
• single-mode fiber (SMF)
• single number dialing
• single number dialing
• single number dialing
• Single Point of Termination (SPOT)