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Optua operates multiple facilities on the provider-level to allow you to troubleshoot any faults before contacting Optua to see if it’s our issue, or your issue. Echo Test In the echo test, everything you say will be repeated as soon as it is received. This allows you to estimate the latency of a call. To use our echo test facility dial 555 555 555 2 from any registered Hosted VoIP device or registered SIP Trunk. Milliwat Test A Milliwatt test is a test method or test facility used in telecommunications to measure line quality and transmission loss between stations or points in an analog telephone system. You should hear a continuous, uninterrupted 1004Hz tone assuming you are not suffering from jitter or packet loss issues. To make use of this test dial 555 555 555 1 from any registered device on hosted VoIP or registered SIP trunk. Invalid CLI emails If you make a call that doesn’t meet our/our providers CLI specifications, you may receive an email detailing this. Please contact us if you have any issues with this.