PBX Interoperability Notes

• NEC IPX2400 PBX R15 to Cisco Unified Communications Manager 5.1.2 and Cisco Emergency Responder 2.0
  Via Cisco 3825 T1 QSIG as MGCP Gateway

• AVAYA Definity CM 2.0 to Cisco Unified Communications Manager 5.1.2 and Cisco Emergency Responder 2.0
  Via Cisco 3825 T1 QSIG as an MGCP Gateway

• Nortel CS1000 R 4.0 to Cisco Unified Communications Manager 5.1.2 and Cisco Emergency Responder 2.0
  Via Cisco 3825 T1 QSIG as an MGCP Gateway

• Avaya Definity CM2.0 using T1 QSIG to Cisco Unified Communications Manager 6.0 and Cisco Emergency Responder 2.0

• NEC IPX2400 Release 15 using T1 QSIG to Cisco Unified Communications Manager 6.0 and Cisco Emergency Responder 2.0

• Nortel CS1000M Release 4.0 using T1 QSIG to Cisco Unified Communications Manager 6.0 and Cisco Emergency Responder 2.0