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This topic describes the background on trunks, which helps to troubleshoot faults.
ϒ⁄This topic describes the unified gateway physical connection with the E1/T1 trunk cable and common E1/T1 alarms.
ϒ⁄The primary rate adaptation (PRA) trunk signaling process varies according to the user type.
ϒ⁄The QSIG trunk signaling process varies according to the user type.
ϒ⁄This topic describes the basic concept and signaling process for the SIP trunk.
ϒ⁄The SS7 trunk includes the ISUP signaling.
ϒ⁄R2 Trunk
ϒ⁄Channel associated signaling (CAS) indicates that the signaling and voice are transmitted in the same channel. R2 signaling is the CAS.
ϒ⁄This topic describes the concept and types of AT0 trunks.