Introduction

chan_dongle is an Asterisk channel driver for Huawei UMTS/3G USB modems (dongles). At this moment, the supported features are:

• Voice calls, dialling by modem name, group, round robin, provider name, IMEI or IMSI.
• Call waiting
• Call holding
• Conference (multiparty) call
• Send SMS from CLI, asterisk manager and dialplan
• Receive SMS (latin charset and multiline included)
• Send USSD
• Receive USSD (latin charset and multiline included)
• Send DTMF (excluding A,B,C,D letters not supported by Huawei)
• Receive DTMF