CEA-851.1-2002
IP-Based Digital Telephony for the Versatile Home Network [Refer To: CEA CEA-851-A, CEA CEA-851, CEA EIA/CEA-851]

Standard No.

CEA-851.1-2002

Release Date

2002

Published By

Consumer Electronics Association （U.S.)

Status

Withdraw

Scope

This standard addresses IP-based digital telephony (sometimes referred to as “Voice over IP”) on the VHN. As the VHN is inherently digital, it does not address analog telephony; nor does it address non-packet digital telephony, such as the streaming service provided by ISDN. However, future versions of this standard may address non- IP telephony. Although this Standard has been issued as a separate document, it is an integral part of EIA/CEA-851, “VHN Home Network Specification.” Requirements and specifications in EIA/CEA-851 also implicitly apply to the functions and devices described in this Standard, unless there specifically stated otherwise. Also, note that this Standard defines the requirements for implementing a telephony function on a VHN. As such, it is not a device description. Any VHN device that implements telephony is also expected to implement all other parts of EIA/CEA-851 that are applicable and appropriate for such a device. For example, EIA/CEA-851 requires that a VHN device support a web server; thus, any device implementing the telephony function, as described in this Standard, would be expected to include a web server that would conform to the requirements in EIA/CEA-851.