This card can be added to an IP Office 500 Digital Station card, IP Office 500 Analog Phone base card, or IP Office 500 VCM card. It allows that card to then also support 4 analog loop-start trunks. It also provides one analog V.32 modem.
- When fitted to an IP Office 500 Analog Phone 8 base card, the combination supports 1 power failure extension to trunk connection.
- The new ATM v2 enhances impendence matching to trunk characteristics, improves echo reduction, improves reduction of occational noise
- Compatibility: Supported only on IP Office 500 v2 with R8.1 Feature Pack 1+