PABX Accessories

The Avaya IP Office IP500 Extension Card Phone 2 Extension Card (700431778) provides two analog extension ports for the connection of analog phones.
Connect up to 2 Analog Station Sets
Can be fitted with IP Office 500 Daughter Trunk Card
Maximum of 4 per IP500 Control Unit
Accepts 1 IP Office 500 Trunk Daughter Card (any type)

Avaya IP500 Analog Trunk Card 4 V2 Features
Connects to IP500 base card – When connected to IP500 base card, it provides 4 loop-start analog trunk ports
Also provides DTMF, caller ID (ICLID), busy tone detection
Adjustable echo cancellation – Selectable to Off, 8, 16, 32, 64, and 128 milliseconds
Power Failure Transfer – When fitted to an IP500 analog phone base card. During power failure, the first extension port (port 1) is connected to the first analog trunk (port 9)
Maximum – 4 per IP500 control unit

Avaya IP500 V2 Combination Card Features
4 analog trunk ports (9-12) via a pre-installed IP500 Analog Trunk 4 daughter card
6 digital station ports (1-6)
2 analog station ports (7-8)
10 VCM channels
Maximum 2 per IP500 V2 control unit

Avaya SBM24 Button Module Features:
Provides 24 additional lines for incoming calls, outgoing calls, and calling features
No separate power supply needed. However, using more than one button module changes the power class of the phone to Class 3