Welcome to the March issue of GL Communications' Newsletter providing information about new introductions in GL Communications' Digital and Analog Call Simulation Products.

The DCOSS APS (Analog Phone Simulator), converts a GL DCOSS (Digital Central Office Switch Simulator) into an analog phone simulator that simulates a bank of up to 384 analog telephones. Using GL's basic DCOSS with T1 interface cards and the new APSCB24/48 external channel banks, the DCOSS APS may be used to test a Central Office (CO), PBX, Gateway, or other telecommunications equipment, that uses local loop interfaces (RJ-11 type).

The figure below depicts the mechanism in APS:

All functionality currently associated with the DCOSS, including bulk calling, scripting, and remote client/server, may be used to control the APSCB24/48 2-wire analog ports. In addition to this functionality, all traffic supported by the DCOSS (Fax, Modem, Voice Files, DTMF/MF Digits, Frequency Tones) is also fully supported by the APSCB24/48 devices.

The DCOSS connects to the APSCB24/48 via a T1 (up to two T1's per APSCB24/48) and digital calls are generated to the APSCB24/48 using the DCOSS GUI. Each digital call signifies analog offhook with DTMF dialed digits from the APSCB24/48. Both outgoing and incoming analog calls are supported. The connection to the APSCB24/48 includes a standard amphenol connector, which can be connected to a breakout box that supports up to 24 2-wire interfaces. Each of the analog ports (up to 48 per APSCB24/48, maximum of 384 ports per DCOSS system) serves as an independent analog telephone, which can be individually configured and activated for various telephony tasks.

Main Features

• Connecting with POTS lines from PSTN or PBX, the DCOSS APS serves as up to 384 regular analog telephones per DCOSS system
• Two-Stage Dialing and Flash-Hook capabilities fully supported
• Voice, FAX and Modem Call Generation and Reception
• DTMF/MF Generation and Detection
• Single/Dual Frequency Tones Generation and Detection
• Call Monitoring and Recording
• Automatic Bulk Call Generation/Reception for load testing digital/analog trunks
• Bulk Call Scripting
• Call Statistics
• Save and Load all Parameters as User Defined Configurations
• Real Time Status of Each Call
• Call Record Generation and Logging
• Telephone Number Directory with unlimited capacity

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