- 4 or 8 FXO PSTN ports
- 2 10/100 Mbps network ports
- 3-way voice conferencing
- Comprehensive codec support, caller ID, flexible dial plans and security protection
- Advanced security protection with SRTP
- Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
- Failover SIP server feature in case main SIP server goes down