marcar manualmente(Dial in to the audio conferencing provider from your physical telephone when the audio conferencing provider service cannot call you)
conferencia de acceso telefónico local(A feature that merges public switched telephone network (PSTN) and Voice over IP (VoIP) conferences, which allows participants to dial in to a conference from anywhere as an authenticated user without having to be on the corporate network. Typically, a local number is provided to avoid long-distance fees)