Avaya TN 780

• Connects to and monitors an optional external Stratum 3 clock for Digital Frame Timing
• Supplies master timing to the system and produces the following tones: - Call progress touch tones - Answer-back - Trunk transmission
• Can transmit system clock and tones on either TDM Bus A, TDM Bus B, or both
• Administrable to produce 5 tone plans other that the US tone plan

Definity TN-780

Definity TN780 Card (TN780) - Connects to and monitors an optional external Stratum 3 clock for Digital Frame Timing. Supplies master timing to the system and produces the following tones: - Call progress touch tones - Answer-back - Trunk transmission. Can transmit system clock and tones on either TDM Bus A, TDM Bus B, or both. Administrable to produce 5 tone plans other that the US tone plan.