[TechNotes] When the POTS Service is Faulty, Call Emulation is the Best Method

Hello, friends.

A call emulation test can be used in the following scenarios:

• Acceptance test during a new deployment:

The software and hardware functions, including service configurations, of the device need to be verified after the device is installed. The verification ensures follow-up service provisioning.

Traditionally, the engineer goes to the device installation site, makes cables, connects a test phone set to the ONT, uses the test phone set as a caller or callee, and verifies basic voice services.

• Fault locating in the OAM phase:

After the device enters the OAM phase, it is usually necessary to test basic voice services in order to locate a fault. In the access network, however, a large number of devices are installed in complicated environment, geographically dispersed, and remotely located. It is inconvenient and costly either to test a newly installed device or locate faults.

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