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Cisco Unified Communications Manager Administration Guide
OL-18611-01
Chapter 90 Gateway Configuration Port Configuration Settings
Interface Information
PRI Protocol Type Choose the communications protocol for the span.
T1 PRI spans provide several options, depending on the carrier or
switch; for example:
• PRI 4ESS—AT&T Interexchange carrier
• PRI 5E8—AT&T family 5ESS ISDN switch that runs in NI-1
or custom mode.
• PRI 5E8 Custom—Cisco Unified IP Phone
• PRI 5E9—AT&T family local exchange switch or carrier
• PRI DMS—MCI family local exchange switch or carrier;
Canadian local exchange carrier
• PRI ETSI SC—European local exchange carrier on T1; also,
Japanese, Taiwan, Korean, and Hong Kong local exchange.
• PRI NI2—AT&T family local exchange switch or carrier
Note If you specify the PRI NI2 PRI protocol type, configure the
Cisco IOS gateway with the following command:
isdn switch-type primary-ni
• PRI NTT—Japanese NTT exchange switch
• PRI ISO QSIG T1—PBX T1 tie trunk using ISO QSIG
• PRI ISO QSIG E1—PBX E1 tie trunk using ISO QSIG
Determine the switch to which you are connecting and the preferred
protocol; for example:
• Nortel Meridian—DMS, 5E8 Custom
• Lucent Definity—4ESS or 5E8
• Madge (Teleos) box—5E8 Teleos
• Intecom PBX—5E8 Intecom
Table 90-7 Digital Access PRI Port Configuration Settings (continued)
Field Description