build a gsm gateway with usb dongle and asterisk

A proposal has not yet been provided

Hello sir! I'm VoIP expert and i have many experience with asterisk. I can easily integrate usb dongle module to asterisk! if you award me i can start right now! Thank you...

I'm a professional with experience of over 10 years in management of Linux platforms, information security, Cisco equipment, asterisk and web applications Certificates: ASTERISK DCAP, LINUX LPI, RED HAT RHCSA, CCNA Más

A proposal has not yet been provided

Have done it before using Huawei E1550 and E1552 dongles. I can also supply dongles and change IMEI ..............................

I graduated in telecommunications have experience with Linux , Asterisk , freeswitch , I can install it for you in a few hours. I await your contact

hi I have experience working with asterisk and sip calling. I am interested to know more about your problem and resolution

A proposal has not yet been provided