Product Description

Internet IP telephony, also called Voice over IP (VoIP), is defined as the transport of telephone calls over the Internet as standard Internet data packets. Internet telephone calls can originate from traditional phone handsets via phone line-to-Internet (Analog Trunk) gateways, by PCs using software, or embedded devices (IP Phones). Most of the interest in Internet telephony is motivated by cost savings and ease of developing and integrating new services. Internet telephony integrates a variety of services provided by the current Internet and the Public Switched Telephone Network (PSTN) infrastructure.
The DVX-9000 offers all of the essential telephony features required for medium to enterprise businesses. Features such as call forwarding, call hold, follow me, and voice mail. Incoming calls are directed by the integrated auto-attendant and hunt groups to assist callers to their destinations. It can utilize standard phone lines via an external phone line gateway or cost effective Internet telephony services.

Telephony
Maximum number of concurrent calls         : 325
Maximum number of extensions                 : Unlimited extensions
Maximum number of built in analog ports   : 32
Number of E1 / T1 ports                              : 4 (up to 120 concurren 4 calls)
Maximum modules supported internally      : 4 (additional Xstack gateway ports are supported )
Maximum number of telephony ports          : 144 (4xE1 PRI/R2/CAS /R2/CAS + 24 analog ports)