Full Description

LSSGR Voiceband Data Transmission Interface, Section 6.6

Document Number GR-30
Issue Number 02
Issue Date Dec 1998
Replaces TR-NWT-000030 Issue02

    ABSTRACT: This document contains the view of Telcordia on generic requirements for transmitting asynchronous voiceband data to Customer Premises Equipment (CPE) from the CPE's serving Stored Program Control switching System (SPCS). Specifically, it provides requirements for data transmission in both the on-hook and off-hook states. This data transmission interface is applicable to a variety of services, such as CLASS calling information delivery features. Examples of services using this data transmission interface are Calling Number Delivery (CND), Calling Identity Delivery on Call Waiting (CIDCW), and Calling Name Delivery (CNAM). This issue introduces new requirements that address the needs of On-hook Data Transmission without Power Ringing. These requirements are specific to Integrated Digital Loop Carrier (IDLC) systems that use dynamic timeslot assignment or semi-permanent (nailed up) connections.

    This issue also introduces a new data transmission format (in addition to the existing SDMF and MDMF), the Generic Data Message Format (GDMF), which allows the transmission of information not created by the SPCS to the customer. The SPCS in this case is only required to perform a transport function by delivering the received data payload (e.g., from a server) in a GDMF "envelope" to the customer. Existing requirements are clarified and new ones are added to better describe DTMF receiver functionality during off-hook data transmission.

    This document replaces TR-NWT-000030.

    When using GR-30, you may need to refer to GR-505 and GR-506. You may also want to refer to, GR-57, GR-303, GR-507, SR-TSV-002476, and/or SR-3004.

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