XO Communications United States

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General office

XO Communications
2717 Millers way Dr
ellicott city
MD ,21043
United States

Phone: +1 443-845-2151

Contact Person

CARL Kendrick / BUS DEV
Phone: 443-845-2151

Hosted VoIP billing service provider
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Providers in database: 6433

Automatic Call-back

In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.

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