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HKD
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IP Telephony Server
✓ Domestic Numbers
✓ Toll-Free Numbers
✓ Overseas Numbers
✓ Ring Groups
✓ VoiceMail
✓ Call Monitoring
✓ Call Whispering
Asterisk Server
✓ Flexible Dial Plans
✓ Microservices
✓ Multiple Extensions
✓ Multiple Codecs
✓ VoIP Protocols
✓ WebRTC
✓ APIs
Media Server
✓ RTP Server
✓ Transcoding
✓ Multiple Codecs
✓ VoIP Protocols
✓ SIP Registry
✓ Scalable
✓ Security