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In some rare cases an extensions or only extension in on company dial a specific number and experience one way audio. Typically when calling from the exte...

In rare instances, two companies may be on the same Strategic Voice Solutions SIP server and may do business together. Furthermore, they have SIP trunks w...

DTMF tone issue have improved dramatically over the years and rarely seen as a problem except under certain conditions:   1) If related to inbound cal...

When you call someone, they say they are not seeing your Caller ID, but some strange number and/or caller ID name. This can happen if you do not set your ...

In some scenarios you may need to work with an older PBX that has Analog Line (Trunk) interfaces and the PBX has an IVR. Using regular Cisco and Grandstre...