GM Phone China
General office
GM Phone
CaoBao Rd.
Shanghai
Shanghai ,201101
China
Phone: +86-1368-175-9555
Contact Person
O.R. Olafsson / Tech
Phone: +86-1368-175-9555
GM Phone
CaoBao Rd.
Shanghai
Shanghai ,201101
China
Phone: +86-1368-175-9555
Contact Person
O.R. Olafsson / Tech
Phone: +86-1368-175-9555
- Internet Telephony Service Provider
- IP devices
- PC to Phone
- Phone To PC
- Phone To Phone
- Huawei VoIP Products
- Billing system of own development
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.
Color Broadband Inc.
Color Broadband Inc. is your DATA, VOICE, and Wireless Network Company.
Color Broadband Inc. is a multi-disciplinary Internet network agency that specializes in the design, deployment, integration, and operation of broadband VoIP and broadband wirele
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