C
HAPTER
3
Nortel T1 QSIG Trunk Integration
Please note the following regarding Nortel T1 QSIG trunk integration:
•
Noise on the PRI link might indicate an incorrect PCMU configuration of PRI
trunks on the CS 1000. The
PMCU
should be set to
Mu-Law
for T1.
The following topics describe a sample configuration of Nortel Telephony (PBX)
system integration with the EasyCall Gateway through a T1 ISDN-PRI QSIG trunk.
“Nortel Telephony System Software Packages” on page 15
“Line Cards” on page 16
“Configuring the T1 QSIG Route and Trunks” on page 16
“Verifying the Integration” on page 23
Nortel Telephony System Software Packages
The Nortel telephony system used in this integration must have all supplemental
service packages installed for the QSIG protocol to operate properly and provide all
advanced supplemental services.
Required software packages:
Package Name
Package Number
Network Alternate Route Selection (NARS), for Uniform
Dialing Plan
or
Coordinated Dialing Plan (CDP)
58
59
Integrated Services Digital Network (ISDN)
145
1.5 Mb Primary Rate Access (PRI)
or
2.0 Mb Primary Rate Access (PRI2)
146 (for T1)
154 (for E1)
Flexible Numbering Plan (FNP)
160
International Primary Rate Access (IPRA)
202
Multi-purpose Serial Data Link (MSDL)
222
Q-reference Signaling Point Interface Supplementary
Services (QSIG-SS)
263