TelecomRush - Avaya IP Office IP 412 Control Unit (IP412) 700350408

2 Internal Trunk Module Slots - Compatible with PRI 24 T1, PRI 48 T1, Quad BRI, and Analog Trunk Module (ATM4)

VCM Expansion Slots - Compatible with VCM 5/10/20/30 and VCM 4/8/16/24. Maximum voice compression channels capacity of 60 channels.

12 Expansion Ports

- Compatible with Digital Station 16/30, Phone 8/16/30,So8, WAN3, and Analog Trunk 16

Additional Ports - Music on-hold, DTE port, external relay switch for door entry controls, integral WAN port

Maximum Extensions - 360 of various types in combination. Analog only: 360. DS Only: 360. IP Only: 360.

Data Channels - 100 of which 30 are usable for Voicemail Pro/TAPI WAV connection sessions