VT3 (Virtual Tributary 3 Mbps)

In SDH and SONET standards, a Virtual Tributary (VT) that operates

at 3.152 Mbps, which is the signaling rate of a T1C. See also SDH, signaling rate, SONET, T1C, and VT.

• pseudowire emulation edge to edge (PWE3)
• pseudowire emulation (PWE)
• PSK (Phase-Shift Keying)
• PSP (Payphone Service Provider)
• PSQM (Perceptual Speech Quality Measurement)
• PSQM+ (Perceptual Speech Quality Measurement plus)
• PSS1 (Private Signaling System No. 1)
• PSTN (Public Switched Telephone Network)
• PSTS (Public Switched Telephone System)
• PTE (Path Terminating Equipment)
• PTI (Payload Type Indicator)
• PTT
• PTT
• public data network (PDN)
• public domain
• public IP address
• public key encryption
• public key infrastructure (PKI)
• Public Safety Access Point (PSAP)
• Public Service Commission (PSC)
• public switched telephone network (PSTN)
• public switched telephone system (PSTS)
• Public UNI (Public User Network Interface)
• Public Utility Commission (PUC)
• PUC (Public Utility Commission)