EtherXtend Access Device
Voice Features
The EFM access device provides voice service with either 4 or 8 voice
ports on the unit. The device supports SIP or MGCP. All the major voice
features are supported. This includes features such as three-way-calling,
caller ID, distinctive ringing, T.38 fax, and V.90 modem.
Gateway Features
The EFM access device is a full-featured gateway with integrated DHCP
server, ALG's, NAT Router, PPPoE Client, scheduling, comprehensive
logging, and more. The EFM product line implements a very flexible QoS
allowing the service provider to guarantee that services are being
prioritized correctly and the end-user is getting the Quality of Experience
that is expected.
The EFM access device is designed for high performance applications. It
features one Gigabit Ethernet port and three Fast Ethernet ports, in
addition to the 4 or 8 voice ports.
The access device has full VLAN support with QoS. The packets in the
VLANs are prioritized based on the IEEE 802.1p priority bits. In addition,
each VLAN can be rate limited.
The EFM access device supports prioritization at the higher layers
through the use of the Diffserv bits (RFC2474, RFC2475).
Management
The EFM access device has intuitive Web and command line interfaces.
The zNID is also managed by the Zhone Network Management System
(ZMS), using SNMP. Software upgrades and configuration backups can be
handled automatically by the ZMS using the CPE Manager feature.
