3Com® VCX™ Analog and Digital Media Gateways
As IP communications begin to dominate enterprise network architectures,
organizations require components that interwork with legacy equipment
and applications, including the Public Switched Telephone Network
(PSTN). With the 3Com® Convergence Applications Suite, enterprises
can deploy digital or analog gateways in specific contexts to mediate
control signaling, handle calls, and facilitate access to the IP
trunking network service. Gateway operations and service is controlled
by the 3Com VCX™ IP Telephony module using the Session Initiation
Protocol (SIP).
3Com VCX Digital Gateways are designed for networking PBXs, or
providing aggregated connectivity to the PSTN.
3Com VCX Analog Gateways are designed for supporting devices such
as 2500-sets and fax machines.
These gateways help enterprises easily take advantage of converged
networking benefits that include:
Lower cost
- Digital gateways scalability from single T1/E1 to two, four,
and 16 spans
- Support for Primary Rate Interface (PRI) or Channel Associated
Signaling (CAS)
- Network services able to support hundreds or thousands of gateways
- Integration of multi-vendor PBX environments at one or more
sites to deliver common applications
- Support for G.729, G.711, and ADPCM compression
Increased user productivity
- Provision for a smooth migration from PSTN networks
Strengthened customer interactions
- Compression that assures low bandwidth and quality audio to
enhance how an organization is perceived by its customers
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