AceTech Singapore
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Internet VoIP and Video Conferencing Service Provider
- Voip Termination ISP
- Call Relay VoIP Solutions
- Call Routing VoIP Solutions
- IP devices
- Outsourced Billing
- Partnering for Origination and Termination
- PC to Phone
- Phone To PC
- Phone To Phone
- SIP Softswitch & CPE
- System Integration
- Termination
- Web Call
- Web To Phone
- Cisco Systems
- Huawei VoIP Products
- Quintum
- another
- VoiceMaster
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.
TechTerra Communications
TechTerra Communications Inc. was founded in 2003 to provide customers a flexible, quality long distance service with low rates. Our goal is to provide a full suite of products and services to fit the telecommunication needs of consumers and businesses, i
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