Wireless Trunk Units (WTU) allow Unified Communications Platform to support GSM/WCDMA/LTE connectivity for VoIP devices, each module provides 4 channels of 2G/3G/4G. They bring you excellent voice services with support for voice codecs including G.711U, G.711A, GSM, G.722, G.726, G.729, flexible SMS services and HTTP-based API interfaces. The WTU series wireless trunk modules are fully compatible with VoIP system platforms such as Asterisk, 3CX, FreePBX, FreeSWITCH and VOS, providing users with more diverse telecom access and reducing communication costs.
Main Feature
•DTMF
•CDR
•Call waiting
•Call forwarding
•Call statistics
•Echo cancellation
•Gain control
•Number blacklisting
•Support PIN code verification
•USSD and USSD API
•SIP/IAX2/Wireless group settings
•Call duration limit, call count limit, SMS limit
•Caller number/Called number filtering & modification
•Support secondary dialing
•Flexible routing
•Codecs:G.711-ulaw,G.711-alaw,gsm,g722,g726,g729
•SMS API
•SMS group messaging
•SMS to Email
•SMS Forwarding
•Support SMS remote control
•Automatic reboot
•Support custom scripts and dialing plans
•Support OpenVox cloud platform
•Backup configuration file
•Online update
•Syslog remote logging
•SIP/RTP packet capture
Panel Appearance
The WTU panel appearance is shown in Figure 1.
Figure 1 WTU Panel Appearance
Parent topic: Module Board