DAH Voice United States
General office
DAH Voice
914 Silver Spring Avenue
Silver Spring
MD ,20910
United States
Phone: 301-589-2547
Site: http://www.dahvoice.com
Contact Person
Andre Charles / Managing Director
Phone: 301-589-2547
DAH Voice
914 Silver Spring Avenue
Silver Spring
MD ,20910
United States
Phone: 301-589-2547
Site: http://www.dahvoice.com
Contact Person
Andre Charles / Managing Director
Phone: 301-589-2547
- Hardware
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Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
SIPxchange
SIPxchange is headquartered in Dallas Fort Worth providing wholesale carrier and business VoIP services. SIPxchange is part of the Worldcall Inc. family of companies supplying network services since 2004. Our facilities-based network carries over 50 milli
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