LOCKTEL is a professional VoIP SIP WIFI products manufacture and solution provider. Our company established by 2010 and locates in China Shenzhen High-Tech Industrial Park.
Our products include SIP WIFI mobile phone, VoIP gateway, IP PBX, IP Broadcast and more.
Vvtel is a world leader in Internet Telephony services, registered in the UK. We offer the most powerful solutions including inexpensive alternatives to traditional telephone service around the world. Our clients range from
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