Protocols

H.323 version 4 and above, H.460, H.239 additional media channels

Interoperability

Multi-vendor support – any H.323 device.

Firewall/ NAT Traversal Methods

H.460.18 and H.460.19

Universal Tunnelling for legacy (non-H.460) systems and software clients.

Public Tunnelling (DMZ deployments) for public or publically mapped IP address endpoints. URI dialling.

Default Universal Tunnel Ports

TCP port 8081, UDP ports 8081/8082

Default H.460 Traversal Ports

UDP 1719, TCP 1720, TCP 8082, UDP 8084/8085

Default Public Tunnel Ports

UDP 1719, TCP 1720, 1721, 1730+, TCP/UDP > 8090+

Server Software

64-bit REDHAT Linux or CentOS, version 5.x and above

Minimum Hardware Requirements

Intel Pentium 4 processor, 3GHz or higher, Intel Xeon processor, 2 GHz or higher (Dual processors are supported), 1 GB memory or higher; 100BASE-TX network interface. 64-bit Linux

Privacy

Encryption of H.323 audio video and data by AES (128, 192 and 256 bit)

Scaling

Scales linearly by adding additional servers. Single server can support 80 calls at 384 kbps